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Produced by Stephen Hope, Joseph Cooper, Emmy and the | |
Online Distributed Proofreading Team at http://www.pgdp.net | |
CHILD'S HEALTH PRIMER. | |
[Illustration: WASTING MONEY. (See p. 123.)] | |
PATHFINDER PHYSIOLOGY No. 1 | |
CHILD'S | |
HEALTH PRIMER | |
FOR PRIMARY CLASSES | |
WITH SPECIAL REFERENCE TO THE EFFECTS OF ALCOHOLIC DRINKS, | |
STIMULANTS, AND NARCOTICS UPON THE HUMAN SYSTEM | |
INDORSED BY THE | |
SCIENTIFIC DEPARTMENT OF THE | |
WOMEN'S CHRISTIAN TEMPERANCE UNION | |
OF THE | |
UNITED STATES | |
COPYRIGHT, 1885 | |
A. S. BARNES & COMPANY | |
NEW YORK AND CHICAGO | |
PATHFINDER SERIES | |
OF TEXT BOOKS ON | |
ANATOMY, PHYSIOLOGY, AND HYGIENE. | |
With Special Reference to the Influence of Alcoholic | |
Drinks and Narcotics on the Human System. | |
INDORSED BY THE SCIENTIFIC DEPARTMENT OF THE | |
WOMEN'S CHRISTIAN TEMPERANCE UNION OF THE UNITED | |
STATES. | |
I. | |
FOR PRIMARY GRADES. | |
THE CHILD'S HEALTH PRIMER. | |
12mo. Cloth. | |
An introduction to the study of the science, suited to | |
pupils of the ordinary third reader grade. | |
Full of lively description and embellished by many apt | |
illustrations. | |
II. | |
FOR INTERMEDIATE CLASSES. | |
HYGIENE FOR YOUNG PEOPLE. | |
12mo. Cloth. Beautifully illustrated. | |
Suited to pupils able to read any fourth reader. | |
An admirable elementary treatise upon the subject. | |
The principles of the science more fully announced | |
and illustrated. | |
III. | |
FOR HIGH SCHOOLS AND ACADEMIES. | |
HYGIENIC PHYSIOLOGY. | |
12mo. Beautifully illustrated. | |
A MORE ELABORATE TREATISE. | |
Prepared for the instruction of youth in the principles which | |
underlie the preservation of health and the | |
formation of correct physical habits. | |
PREFACE | |
As this little book goes to press, Massachusetts, by an act of its | |
legislature, is made the fourteenth state in this country that requires | |
the pupils in the primary, as well as in the higher grades of public | |
schools, to be taught the effects of alcoholics and other narcotics upon | |
the human system, in connection with other facts of physiology and | |
hygiene. | |
The object of all this legislation is, not that the future citizen may | |
know the technical names of bones, nerves, and muscles, but that he may | |
have a _=timely=_ and _=forewarning=_ knowledge of the effects of | |
alcohol and other popular poisons upon the human body, and therefore | |
upon life and character. | |
With every reason in favor of such education, and the law requiring it, | |
its practical tests in the school-room will result in failure, unless | |
there shall be ready for teacher and scholar, a well-arranged, simple, | |
and practical book, bringing these truths down to the capacity of the | |
child. | |
A few years hence, when the results of this study in our Normal Schools | |
shall be realized in the preparation of the teacher, we can depend upon | |
her adapting oral lessons from advanced works on this theme, but now, | |
the average primary teacher brings to this study no experience, and | |
limited previous study. | |
To meet this need, this work has been prepared. Technical terms have | |
been avoided, and only such facts of physiology developed as are | |
necessary to the treatment of the effects of alcohol, tobacco, opium, | |
and other truths of hygiene. | |
To the children in the Primary Schools of this country, for whom it was | |
prepared, this work is dedicated. | |
[Illustration] | |
CONTENTS | |
CHAPTER PAGE | |
FRONTISPIECE 2 | |
TITLE-PAGE 3 | |
PREFACE 5 | |
CONTENTS 7 | |
I.--JOINTS AND BONES 9 | |
II.--MUSCLES 19 | |
III.--NERVES 25 | |
IV.--WHAT IS ALCOHOL? 37 | |
V.--BEER 43 | |
VI.--DISTILLING 47 | |
VII.--ALCOHOL 50 | |
VIII.--TOBACCO 53 | |
IX.--OPIUM 59 | |
X.--WHAT ARE ORGANS? 61 | |
XI.--WHAT DOES THE BODY NEED FOR FOOD? 71 | |
XII.--HOW FOOD BECOMES PART OF THE BODY 79 | |
XIII.--STRENGTH 85 | |
XIV.--THE HEART 93 | |
XV.--THE LUNGS 97 | |
XVI.--THE SKIN 103 | |
XVII.--THE SENSES 109 | |
XVIII.--HEAT AND COLD 115 | |
XIX.--WASTED MONEY 122 | |
CHAPTER I. | |
JOINTS AND BONES. | |
[Illustration: L]ITTLE girls like a jointed doll to play with, because | |
they can bend such a doll in eight or ten places, make it stand or sit, | |
or can even play that it is walking. | |
[Illustration: _Jointed dolls._] | |
As you study your own bodies to-day, you will find that you each have | |
better joints than any dolls that can be bought at a toy shop. | |
HINGE-JOINTS. | |
Some of your joints work like the hinges of a door, and these are called | |
hinge-joints. | |
You can find them in your elbows, knees, fingers, and toes. | |
How many hinge-joints can you find? | |
Think how many hinges must be used by the boy who takes off his hat and | |
makes a polite bow to his teacher, when she meets him on the street. | |
How many hinges do you use in running up-stairs, opening the door, | |
buttoning your coat or your boots, playing ball or digging in your | |
garden? | |
You see that we use these hinges nearly all the time. We could not do | |
without them. | |
BALL AND SOCKET JOINTS. | |
All our joints are not hinge-joints. | |
Your shoulder has a joint that lets your arm swing round and round, as | |
well as move up and down. | |
Your hip has another that lets your leg move in much the same way. | |
[Illustration: _The hip-joint._] | |
This kind of joint is the round end or ball of a long bone, which moves | |
in a hole, called a socket. | |
Your joints do not creak or get out of order, as those of doors and | |
gates sometimes do. A soft, smooth fluid, much like the white of an egg, | |
keeps them moist and makes them work easily. | |
BONES. | |
What parts of our bodies are jointed together so nicely? Our bones. | |
How many bones have we? | |
If you should count all your bones, you would find that each of you has | |
about two hundred. | |
Some are large; and some, very small. | |
There are long-hones in your legs and arms, and many short ones in your | |
fingers and toes. The backbone is called the spine. | |
[Illustration: _Backbone of a fish._] | |
If you look at the backbone of a fish, you can see that it is made up-of | |
many little bones. Your own spine is formed in much the same way, of | |
twenty-four small bones. An elastic cushion of gristle (gr[)i]s'l) fits | |
nicely in between each little bone and the next. | |
When you bend, these cushions are pressed together on one side and | |
stretched on the other. They settle back into their first shape, as | |
soon as you stand straight again. | |
If you ever rode in a wheelbarrow, or a cart without springs, you know | |
what a jolting it gave you. These little spring cushions keep you from | |
being shaken even more severely every time you move. | |
Twenty-four ribs, twelve on each side, curve around from the spine to | |
the front, or breast, bone. (_See page 38._) | |
They are so covered with flesh that perhaps you can not feel and count | |
them; but they are there. | |
Then you have two flat shoulder-blades, and two collar-bones that almost | |
meet in front, just where your collar fastens. | |
Of what are the bones made? | |
Take two little bones, such as those from the legs or wings of a | |
chicken, put one of them into the fire, when it is not very hot, and | |
leave it there two or three hours. Soak the other bone in some weak | |
muriatic (m[=u] r[)i] [)a]t'[)i]k) acid. This acid can be bought of any | |
druggist. | |
You will have to be careful in taking the bone out of the fire, for it | |
is all ready to break. If you strike it a quick blow, it will crumble to | |
dust. This dust we call lime, and it is very much like the lime from | |
which the mason makes mortar. | |
[Illustration: _Bone tied to a knot._] | |
The acid has taken the lime from the other bone, so only the part which | |
is not lime is left. You will be surprised to see how easily it will | |
bend. You can twist it and tie it into a knot; but it will not easily | |
break. | |
You have seen gristle in meat. This soft part of the bone is gristle. | |
Children's bones have more gristle than those of older people; so | |
children's bones bend easily. | |
I know a lady who has one leg shorter than the other. This makes her | |
lame, and she has to wear a boot with iron supports three or four inches | |
high, in order to walk at all. | |
One day she told me how she became lame. | |
"I remember," she said, "when I was between three and four years old, | |
sitting one day in my high chair at the table, and twisting one foot | |
under the little step of the chair. The next morning I felt lame; but | |
nobody could tell what was the matter. At last, the doctors found out | |
that the trouble all came from that twist. It had gone too far to be | |
cured. Before I had this boot, I could only walk with a crutch." | |
CARE OF THE SPINE. | |
Because the spine is made of little bones with cushions between them, it | |
bends easily, and children sometimes bend it more than they ought. | |
If you lean over your book or your writing or any other work, the | |
elastic cushions may get so pressed on the inner edge that they do not | |
easily spring back into shape. In this way, you may grow | |
round-shouldered or hump-backed. | |
This bending over, also cramps the lungs, so that they do not have all | |
the room they need for breathing. While you are young, your bones are | |
easily bent. One shoulder or one hip gets higher than the other, if you | |
stand unevenly. This is more serious, because you are growing, and you | |
may grow crooked before you know it. | |
Now that you know how soft your bones are, and how easily they bend, you | |
will surely be careful to sit and stand erect. Do not twist your legs, | |
or arms, or shoulders; for you want to grow into straight and graceful | |
men and women, instead of being round-shouldered, or hump-backed, or | |
lame, all your lives. | |
When people are old, their bones contain more lime, and, therefore, | |
break more easily. | |
You should be kindly helpful to old people, so that they may not fall, | |
and possibly break their bones. | |
CARE OF THE FEET. | |
Healthy children are always out-growing their shoes, and sometimes | |
faster than they wear them out. Tight shoes cause corns and in-growing | |
nails and other sore places on the feet. All of these are very hard to | |
get rid of. No one should wear a shoe that pinches or hurts the foot. | |
OUGHT A BOY TO USE TOBACCO? | |
Perhaps some boy will say: "Grown people are always telling us, 'this | |
will do for men, but it is not good for boys.'" | |
Tobacco is not good for men; but there is a very good reason why it is | |
worse for boys. | |
If you were going to build a house, would it be wise for you to put into | |
the stone-work of the cellar something that would make it less strong? | |
Something into the brick-work or the mortar, the wood-work or the nails, | |
the walls or the chimneys, that would make them weak and tottering, | |
instead of strong and steady? | |
It would he had enough if you should repair your house with poor | |
materials; but surely it must be built in the first place with the best | |
you can get. | |
You will soon learn that boys and girls are building their bodies, day | |
after day, until at last they reach full size. | |
Afterward, they must be repaired as fast as they wear out. | |
It would be foolish to build any part in a way to make it weaker than | |
need be. | |
Wise doctors have said that the boy who uses tobacco while he is | |
growing, makes every part of his body less strong than it otherwise | |
would be. Even his bones will not grow so well. | |
Boys who smoke can not become such large, fine-looking men as they would | |
if they did not smoke. | |
Cigarettes are small, but they are very poisonous. Chewing tobacco is a | |
worse and more filthy habit even than smoking. The frequent spitting it | |
causes is disgusting to others and hurts the health of the chewer. | |
Tobacco in any form is a great enemy to youth. It stunts the growth, | |
hurts the mind, and <DW36>s in every way the boy or girl who uses it. | |
Not that it does all this to every youth who smokes, but it is always | |
true that no boy of seven to fourteen can begin to smoke or chew and | |
have so fine a body and mind when he is twenty-one years old as he would | |
have had if he had never used tobacco. If you want to be strong and well | |
men and women, do not use tobacco in any form. | |
REVIEW QUESTIONS. | |
1. What two kinds of joints have you? | |
2. Describe each kind. | |
3. Find as many of each kind as you can. | |
4. How are the joints kept moist? | |
5. How many bones are there in your whole body? | |
6. Count the bones in your hand. | |
7. Of how many bones is your spine made? | |
8. Why could you not use it so well if it were all | |
in one piece? | |
9. What is the use of the little cushions between | |
the bones of the spine? | |
10. How many ribs have you? | |
11. Where are they? | |
12. Where are the shoulder-blades? | |
13. Where are the collar-bones? | |
14. What are bones made of? | |
15. How can we show this? | |
16. What is the difference between the bones of | |
children and the bones of old people? | |
17. Why do children's bones bend easily? | |
18. Tell the story of the lame lady. | |
19. What does this story teach you? | |
20. What happens if you lean over your desk or | |
work? | |
21. How will this position injure your lungs? | |
22. What other bones may be injured by wrong | |
positions? | |
23. Why do old people's bones break easily? | |
24. How should the feet be cared for? | |
25. How does tobacco affect the bones? | |
26. What do doctors say of its use? | |
27. What is said about cigarettes? | |
28. What about chewing tobacco? | |
29. To whom is tobacco a great enemy? Why? | |
30. What is always true of its use by youth? | |
CHAPTER II. | |
MUSCLES. | |
[Illustration: W]HAT makes the limbs move? | |
You have to take hold of the door to move it back and forth; but you | |
need not take hold of your arm to move that. | |
What makes it move? | |
Sometimes a door or gate is made to shut itself, if you leave it open. | |
This can be done by means of a wide rubber strap, one end of which is | |
fastened to the frame of the door near the hinge, and the other end to | |
the door, out near its edge. | |
When we push open the door, the rubber strap is stretched; but as soon | |
as we have passed through, the strap tightens, draws the door back, and | |
shuts it. | |
If you stretch out your right arm, and clasp the upper part tightly with | |
your left hand, then work the elbow joint strongly back and forth, you | |
can feel something under your hand draw up, and then lengthen out again, | |
each time you bend the joint. | |
What you feel, is a muscle (m[)u]s'sl), and it works your joints very | |
much as the rubber strap works the hinge of the door. | |
One end of the muscle is fastened to the bone just below the elbow | |
joint; and the other end, higher up above the joint. | |
When it tightens, or contracts, as we say, it bends the joint. When the | |
arm is straightened, the muscle returns to its first shape. | |
There is another muscle on the outside of the arm which stretches when | |
this one shortens, and so helps the working of the joint. | |
Every joint has two or more muscles of its own to work it. | |
Think how many there must be in our fingers! | |
If we should undertake to count all the muscles that move our whole | |
bodies, it would need more counting than some of you could do. | |
TENDONS. | |
You can see muscles on the dinner table; for they are only lean meat. | |
[Illustration: _Tendons of the hand._] | |
They are fastened to the bones by strong cords, called tendons | |
(t[)e]n'd[)o]nz). These tendons can be seen in the leg of a chicken or | |
turkey. They sometimes hold the meat so firmly that it is hard for you | |
to get it off. When you next try to pick a "drum-stick," remember that | |
you are eating the strong muscles by which the chicken or turkey moved | |
his legs as he walked about the yard. The parts that have the most work | |
to do, need the strongest muscles. | |
Did you ever see the swallows flying about the eaves of a barn? | |
Do they have very stout legs? No! They have very small legs and feet, | |
because they do not need to walk. They need to fly. | |
The muscles that move the wings are fastened to the breast. These breast | |
muscles of the swallow must be large and strong. | |
EXERCISE OF THE MUSCLES. | |
People who work hard with any part of the body make the muscles of that | |
part very strong. | |
The blacksmith has big, strong muscles in his arms because he uses them | |
so much. | |
You are using your muscles every day, and this helps them to grow. | |
Once I saw a little girl who had been very sick. She had to lie in bed | |
for many weeks. Before her sickness she had plenty of stout muscles in | |
her arms and legs and was running about the house from morning till | |
night, carrying her big doll in her arms. | |
After her sickness, she could hardly walk ten steps, and would rather | |
sit and look at her playthings than try to lift them. She had to make | |
new muscles as fast as possible. | |
Running, coasting, games of ball, and all brisk play and work, help to | |
make strong muscles. | |
Idle habits make weak muscles. So idleness is an enemy to the muscles. | |
There is another enemy to the muscles about which I must tell you. | |
WHAT ALCOHOL WILL DO TO THE MUSCLES. | |
Muscles are lean meat. Fat meat could not work your joints for you as | |
the muscles do. Alcohol often changes a part of the muscles to fat, and | |
so takes away a part of their strength. In this way, people often grow | |
very fleshy from drinking beer, because it contains alcohol, as you will | |
soon learn. But they can not work any better on account of having this | |
fat. They are not really any stronger for it. | |
REVIEW QUESTIONS. | |
1. How are the joints moved? | |
2. Where are the muscles in your arms, which help | |
you to move your elbows? | |
3. Show why joints must have muscles. | |
4. What do we call the muscles of the lower | |
animals? | |
5. What fasten the muscles to the bones? | |
6. Why do chickens and turkeys need strong muscles | |
in their legs? | |
7. Why do swallows need strong breast muscles? | |
8. What makes the muscles of the blacksmith's arm | |
so strong? | |
9. What will make your muscles strong? | |
10. What will make them weak? | |
11. What does alcohol often do to the muscles? | |
12. Can fatty muscles work well? | |
13. Why does not drinking beer make one stronger? | |
CHAPTER III. | |
NERVES. | |
[Illustration: H]OW do the muscles know when to move? | |
You have all seen the telegraph wires, by which messages are sent from | |
one town to another, all over the country. | |
You are too young to understand how this is done, but you each have | |
something inside of you, by which you are sending messages almost every | |
minute while you are awake. | |
We will try to learn a little about its wonderful way of working. | |
In your head is your brain. It is the part of you which thinks. | |
As you would be very badly off if you could not think, the brain is your | |
most precious part, and you have a strong box made of bone to keep it | |
in. | |
[Illustration: _Diagram of the nervous system._] | |
We will call the brain the central telegraph office. Little white cords, | |
called nerves, connect the brain with the rest of the body. | |
A large cord called the spinal cord, lies safely in a bony case made by | |
the spine, and many nerves branch off from this. | |
If you put your finger on a hot stove, in an instant a message goes on | |
the nerve telegraph to the brain. It tells that wise thinking part that | |
your finger will burn, if it stays on the stove. | |
In another instant, the brain sends back a message to the muscles that | |
move that finger, saying: "Contract quickly, bend the joint, and take | |
that poor finger away so that it will not be burned." | |
You can hardly believe that there was time for all this sending of | |
messages; for as soon as you felt the hot stove, you pulled your finger | |
away. But you really could not have pulled it away, unless the brain had | |
sent word to the muscles to do it. | |
Now, you know what we mean when we say, "As quick as thought." Surely | |
nothing could be quicker. | |
You see that the brain has a great deal of work to do, for it has to | |
send so many orders. | |
There are some muscles which are moving quietly and steadily all the | |
time, though we take no notice of the motion. | |
You do not have to think about breathing, and yet the muscles work all | |
the time, moving your chest. | |
If we had to think about it every time we breathed, we should have no | |
time to think of any thing else. | |
There is one part of the brain that takes care of such work for us. It | |
sends the messages about breathing, and keeps the breathing muscles and | |
many other muscles faithfully at work. It does all this without our | |
needing to know or think about it at all. | |
Do you begin to see that your body is a busy work-shop, where many kinds | |
of work are being done all day and all night? | |
Although we lie still and sleep in the night, the breathing must go on, | |
and so must the work of those other organs that never stop until we | |
die. | |
OTHER WORK OF THE NERVES. | |
The little white nerve-threads lie smoothly side by side, making small | |
white cords. Each kind of message goes on its own thread, so that the | |
messages need never get mixed or confused. | |
These nerves are very delicate little messengers. They do all the | |
feeling for the whole body, and by means of them we have many pains and | |
many pleasures. | |
If there was no nerve in your tooth it could not ache. But if there were | |
no nerves in your mouth and tongue, you could not taste your food. | |
If there were no nerves in your hands, you might cut them and feel no | |
pain. But you could not feel your mother's soft, warm hand, as she laid | |
it on yours. | |
One of your first duties is the care of yourselves. | |
Children may say: "My father and mother take care of me." But even while | |
you are young, there are some ways in which no one can take care of you | |
but yourselves. The older you grow, the more this care will belong to | |
you, and to no one else. | |
Think of the work all the parts of the body do for us, and how they help | |
us to be well and happy. Certainly the least we can do is to take care | |
of them and keep them in good order. | |
CARE OF THE BRAIN AND NERVES. | |
As one part of the brain has to take care of all the rest of the body, | |
and keep every organ at work, of course it can never go to sleep itself. | |
If it did, the heart would stop pumping, the lungs would leave off | |
breathing, all other work would stop, and the body would be dead. | |
But there is another part of the brain which does the thinking, and this | |
part needs rest. | |
When you are asleep, you are not thinking, but you are breathing and | |
other work of the body is going on. | |
If the thinking part of the brain does not have good quiet sleep, it | |
will soon wear out. A worn-out brain is not easy to repair. | |
If well cared for, your brain will do the best of work for you for | |
seventy or eighty years without complaining. | |
The nerves are easily tired out, and they need much rest. They get tired | |
if we do one thing too long at a time; they are rested by a change of | |
work. | |
IS ALCOHOL GOOD FOR THE NERVES AND THE BRAIN? | |
Think of the wonderful work the brain is all the time doing for you! | |
You ought to give it the best of food to keep it in good working order. | |
Any drink that contains alcohol is not a food to make one strong; but is | |
a poison to hurt, and at last to kill. | |
It injures the brain and nerves so that they can not work well, and send | |
their messages properly. That is why the drunkard does not know what he | |
is about. | |
Newspapers often tell us about people setting houses on fire; about men | |
who forgot to turn the switch, and so wrecked a railroad train; about | |
men who lay down on the railroad track and were run over by the cars. | |
Often these stories end with: "The person had been drinking." When the | |
nerves are put to sleep by alcohol, people become careless and do not do | |
their work faithfully; sometimes, they can not even tell the difference | |
between a railroad track and a place of safety. The brain receives no | |
message, or the wrong one, and the person does not know what he is | |
doing. | |
You may say that all men who drink liquor do not do such terrible | |
things. | |
That is true. A little alcohol is not so bad as a great deal. But even a | |
little makes the head ache, and hurts the brain and nerves. | |
A body kept pure and strong is of great service to its owner. There are | |
people who are not drunkards, but who often drink a little liquor. By | |
this means, they slowly poison their bodies. | |
When sickness comes upon them, they are less able to bear it, and less | |
likely to get well again, than those who have never injured their bodies | |
with alcohol. | |
When a sick or wounded man is brought into the hospital, one of the | |
first questions asked him by the doctor is: "Do you drink?" | |
If he answers "Yes!" the next questions are, "What do you drink?" and | |
"How much?" | |
The answers he gives to these questions, show the doctor what chance the | |
man has of getting well. | |
A man who never drinks liquor will get well, where a drinking man would | |
surely die. | |
TOBACCO AND THE NERVES. | |
Why does any one wish to use tobacco? | |
Because many men say that it helps them, and makes them feel better. | |
Shall I tell you how it makes them feel better? | |
If a man is cold, the tobacco deadens his nerves so that he does not | |
feel the cold and does not take pains to make himself warmer. | |
If a man is tired, or in trouble, tobacco will not really rest him or | |
help him out of his trouble. | |
It only puts his nerves to sleep and helps him think that he is not | |
tired, and that he does not need to overcome his troubles. | |
It puts his nerves to sleep very much as alcohol does, and helps him to | |
be contented with what ought not to content him. | |
A boy who smokes or chews tobacco, is not so good a scholar as if he did | |
not use the poison. He can not remember his lessons so well. | |
Usually, too, he is not so polite, nor so good a boy as he otherwise | |
would be. | |
REVIEW QUESTIONS. | |
1. How do the muscles know when to move? | |
2. What part of you is it that thinks? | |
3. What are the nerves? | |
4. Where is the spinal cord? | |
5. What message goes to the brain when you put | |
your finger on a hot stove? | |
6. What message comes back from the brain to the | |
finger? | |
7. What is meant by "As quick as thought"? | |
8. Name some of the muscles which work without | |
needing our thought. | |
9. What keeps them at work? | |
10. Why do not the nerve messages get mixed and | |
confused? | |
11. Why could you not feel, if you had no nerves? | |
12. State some ways in which the nerves give us | |
pain. | |
13. State some ways in which they give us | |
pleasure. | |
14. What part of us has the most work to do? | |
15. How must we keep the brain strong and well? | |
16. What does alcohol do to the nerves and brain? | |
17. Why does not a drunken man know what he is | |
about? | |
18. What causes most of the accidents we read of? | |
19. Why could not the man who had been drinking | |
tell the difference between a railroad track and a | |
place of safety? | |
20. How does the frequent drinking of a little | |
liquor affect the body? | |
21. How does sickness affect people who often | |
drink these liquors? | |
22. When a man is taken to the hospital, what | |
questions does the doctor ask? | |
23. What depends upon his answers? | |
24. Why do many men use tobacco? | |
25. How does it make them feel better? | |
26. Does it really help a person who uses it? | |
27. Does tobacco help a boy to be a good scholar? | |
28. How does it affect his manners? | |
[Illustration: _Bones of the human body._] | |
CHAPTER IV. | |
WHAT IS ALCOHOL? | |
[Illustration: R]IPE grapes are full of juice. | |
This juice is mostly water, sweetened with a sugar of its own. It is | |
flavored with something which makes us know, the moment we taste it, | |
that it is grape-juice, and not cherry-juice or plum-juice. | |
Apples also contain water, sugar, and apple flavor; and cherries contain | |
water, sugar, and cherry flavor. The same is true of other fruits. They | |
all, when ripe, have the water and the sugar; and each has a flavor of | |
its own. | |
Ripe grapes are sometimes gathered and put into great tubs called vats. | |
In these the juice is squeezed out. | |
In some countries, this squeezing is done by bare-footed men who jump | |
into the vats and press the grapes with their feet. | |
The grape-juice is then drawn off from the skins and seeds and left | |
standing in a warm place. | |
Bubbles soon begin to rise and cover the top of it with froth. The juice | |
is all in motion. | |
[Illustration: _Picking grapes and making wine._] | |
If the cook had wished to use this grape-juice to make jelly, she would | |
say: "Now, I can not make my grape-jelly, for the grape-juice is | |
spoiled." | |
WHAT IS THIS CHANGE IN THE GRAPE-JUICE? | |
The sugar in the grape-juice is changing into something else. It is | |
turning into alcohol and a gas[A] that moves about in little bubbles in | |
the liquid, and rising to the top, goes off into the air. The alcohol is | |
a thin liquid which, mixed with the water, remains in the grape-juice. | |
The sugar is gone; alcohol and the bubbles of gas are left in its place. | |
This alcohol is a liquid poison. A little of it will harm any one who | |
drinks it; much of it would kill the drinker. | |
Ripe grapes are good food; but grape-juice, when its sugar has turned to | |
alcohol, is not a safe drink for any one. It is poisoned by the alcohol. | |
WINE. | |
This changed grape-juice is called wine. It is partly water, partly | |
alcohol, and it still has the grape flavor in it. | |
Wine is also made from currants, elderberries, and other fruits, in very | |
much the same way as from grapes. | |
People sometimes make it at home from the fruits that grow in their own | |
gardens, and think there is no alcohol in it, because they do not put | |
any in. | |
But you know that the alcohol is made in the fruit-juice itself by the | |
change of the sugar into alcohol and the gas. | |
[Illustration] | |
It is the nature of alcohol to make the person who takes a little of it, | |
in wine, or any other drink, want more and more alcohol. When one goes | |
on, thus taking more and more of the drinks that contain alcohol, he is | |
called a drunkard. | |
In this way wine has made many drunkards. Alcohol hurts both the body | |
and mind. It changes the person who drinks it. It will make a good and | |
kind person cruel and bad; and will make a bad person worse. | |
Every one who takes wine does not become a drunkard, but you are not | |
sure that you will not, if you drink it. | |
You should not drink wine, because there is alcohol in it. | |
CIDER. | |
Cider is made from apples. In a few hours after the juice is pressed out | |
of the apples, if it is left open to the air the sugar begins to change. | |
Like the sugar in the grape, it changes into alcohol and bubbles of gas. | |
At first, there is but little alcohol in cider, but a little of this | |
poison is dangerous. | |
More alcohol is all the time forming until in ten cups of cider there | |
may be one cup of alcohol. Cider often makes its drinkers ill-tempered | |
and cross. | |
Cider and wine will turn into vinegar if left in a warm place long | |
enough. | |
REVIEW QUESTIONS. | |
1. What two things are in all fruit-juices? | |
2. How can we tell the juice of grapes from that | |
of plums? | |
3. How can we tell the juice of apples from that | |
of cherries? | |
4. What is often done with ripe grapes? | |
5. What happens after the grape-juice has stood a | |
short time? | |
6. Why would the changed grape-juice not be good | |
to use in making jelly? | |
7. Into what is the sugar in the juice changed? | |
8. What becomes of the gas? | |
9. What becomes of the alcohol? | |
10. What is gone and what left? | |
11. What is alcohol? | |
12. What does alcohol do to those who drink it? | |
13. When are grapes good food? | |
14. When is grape-juice not a safe drink? | |
15. Why? | |
16. What is this changed grape-juice called? | |
17. What is wine? | |
18. From what is wine made? | |
19. What do people sometimes think of home-made | |
wines? | |
20. How can alcohol be there when none has been | |
put into it? | |
21. What does alcohol make the person who takes it | |
want? | |
22. What is such a one called? | |
23. What has wine done to many persons? | |
24. What does alcohol hurt? | |
25. How does it change a person? | |
26. Are you sure you will not become a drunkard if | |
you drink wine? | |
27. Why should you not drink it? | |
28. What is cider made from? | |
29. What soon happens to apple-juice? | |
30. How may vinegar be made? | |
FOOTNOTE: | |
[Footnote A: This gas is called car bon'ic acid gas.] | |
CHAPTER V. | |
BEER. | |
[Illustration: A]LCOHOL is often made from grains as well as from fruit. | |
The grain has starch instead of sugar. | |
If the starch in your mother's starch-box at home should be changed into | |
sugar, you would think it a very strange thing. | |
Every year, in the spring-time, many thousand pounds of starch are | |
changed into sugar in a hidden, quiet way, so that most of us think | |
nothing about it. | |
STARCH AND SUGAR. | |
All kinds of grain are full of starch. | |
If you plant them in the ground, where they are kept moist and warm, | |
they begin to sprout and grow, to send little roots down into the earth, | |
and little stems up into the sunshine. | |
These little roots and stems must be fed with sugar; thus, in a wise | |
way, which is too wonderful for you to understand, as soon as the seed | |
begins to sprout, its starch begins to turn into sugar. | |
[Illustration] | |
If you should chew two grains of wheat, one before sprouting and one | |
after, you could tell by the taste that this is true. | |
Barley is a kind of grain from which the brewer makes beer. | |
He must first turn its starch into sugar, so he begins by sprouting his | |
grain. | |
Of course he does not plant it in the ground, because it would need to | |
be quickly dug up again. | |
He keeps it warm and moist in a place where he can watch it, and stop | |
the sprouting just in time to save the sugar, before it is used to feed | |
the root and stem. This sprouted grain is called malt. | |
The brewer soaks it in plenty of water, because the grain has not water | |
in itself, as the grape has. | |
He puts in some yeast to help start the work of changing the sugar into | |
gas[B] and alcohol. | |
Sometimes hops are also put in, to give it a bitter taste. | |
The brewer watches to see the bubbles of gas that tell, as plainly as | |
words could, that sugar is going and alcohol is coming. | |
When the work is finished, the barley has been made into beer. | |
It might have been ground and made into barley-cakes, or into pearl | |
barley to thicken our soups, and then it would have been good food. Now, | |
it is a drink containing alcohol, and alcohol is a poison. | |
You should not drink beer, because there is alcohol in it. | |
Two boys of the same age begin school together. One of them drinks | |
wine, cider, and beer. The other never allows these drinks to pass his | |
lips. These boys soon become very different from each other, because one | |
is poisoning his body and mind with alcohol, and the other is not. | |
A man wants a good, steady boy to work for him. Which of these two do | |
you think he will select? A few years later, a young man is wanted who | |
can be trusted with the care of an engine or a bank. It is a good | |
chance. Which of these young men will be more likely to get it? | |
REVIEW QUESTIONS. | |
1. Is there sugar in grain? | |
2. What is in the grain that can be turned into | |
sugar? | |
3. What can you do to a seed that will make its | |
starch turn into sugar? | |
4. What does the brewer do to the barley to make | |
its starch turn into sugar? | |
5. What is malt? | |
6. What does the brewer put into the malt to start | |
the working? | |
7. What gives the bitter taste to beer? | |
8. How does the brewer know when sugar begins to | |
go and alcohol to come? | |
9. Why does he want the starch turned to sugar? | |
10. Is barley good for food? | |
11. Why is beer not good for food? | |
12. Why should you not drink it? | |
13. Why did the two boys of the same age, at the | |
same school, become so unlike? | |
14. Which will have the best chance in life? | |
FOOTNOTE: | |
[Footnote B: Car bon'ic acid gas.] | |
CHAPTER VI. | |
DISTILLING. | |
[Illustration: D]ISTILLING (d[)i]s t[)i]l[\l]'ing) may be a new word to | |
you, but you can easily learn its meaning. | |
You have all seen distilling going on in the kitchen at home, many a | |
time. When the water in the tea-kettle is boiling, what comes out at the | |
nose? Steam. | |
What is steam? | |
You can find out what it is by catching some of it on a cold plate, or | |
tin cover. As soon as it touches any thing cold, it turns into drops of | |
water. | |
When we boil water and turn it into steam, and then turn the steam back | |
into water, we have distilled the water. We say vapor instead of steam, | |
when we talk about the boiling of alcohol. | |
It takes less heat to turn alcohol to vapor than to turn water to | |
steam; so, if we put over the fire some liquid that contains alcohol, | |
and begin to collect the vapor as it rises, we shall get alcohol first, | |
and then water. | |
But the alcohol will not be pure alcohol; it will be part water, because | |
it is so ready to mix with water that it has to be distilled many times | |
to be pure. | |
But each time it is distilled, it will become stronger, because there is | |
a little more alcohol and a little less water. | |
In this way, brandy, rum, whiskey, and gin are distilled, from wine, | |
cider, and the liquors which have been made from corn, rye, or barley. | |
The cider, wine, and beer had but little alcohol in them. The brandy, | |
rum, whiskey, and gin are nearly one-half alcohol. | |
A glass of strong liquor which has been made by distilling, will injure | |
any one more, and quicker, than a glass of cider, rum, or beer. | |
But a cider, wine, or beer-drinker often drinks so much more of the | |
weaker liquor, that he gets a great deal of alcohol. People are often | |
made drunkards by drinking cider or beer. The more poison, the more | |
danger. | |
REVIEW QUESTIONS. | |
1. Where have you ever seen distilling going on? | |
2. How can you distill water? | |
3. How can men separate alcohol from wine or from | |
any other liquor that contains it? | |
4. Why will not this be pure alcohol? | |
5. How is a liquor made stronger? | |
6. Name some of the distilled liquors. | |
7. How are they made? | |
8. How much of them is alcohol? | |
9. Which is the most harmful--the distilled | |
liquor, or beer, wine, or cider? | |
10. Why does the wine, cider, or beer-drinker | |
often get as much alcohol? | |
CHAPTER VII. | |
ALCOHOL. | |
[Illustration: A]LCOHOL looks like water, but it is not at all like | |
water. | |
Alcohol will take fire, and burn if a lighted match is held near it; but | |
you know that water will not burn. | |
When alcohol burns, the color of the flame is blue. It does not give | |
much light: it makes no smoke or soot; but it does give a great deal of | |
heat. | |
A little dead tree-toad was once put into a bottle of alcohol. It was | |
years ago, but the tree-toad is there still, looking just as it did the | |
first day it was put in. What has kept it so? | |
It is the alcohol. The tree-toad would have soon decayed if it had been | |
put into water. So you see that alcohol keeps dead bodies from | |
decaying. | |
Pure alcohol is not often used as a drink. People who take beer, wine, | |
and cider get a little alcohol with each drink. Those who drink brandy, | |
rum, whiskey, or gin, get more alcohol, because those liquors are nearly | |
one half alcohol. | |
You may wonder that people wish to use such poisonous drinks at all. But | |
alcohol is a deceiver. It often cheats the man who takes a little, into | |
thinking it will be good for him to take more. | |
Sometimes the appetite which begs so hard for the poison, is formed in | |
childhood. If you eat wine-jelly, or wine-sauce, you may learn to like | |
the taste of alcohol and thus easily begin to drink some weak liquor. | |
The more the drinker takes, the more he often wants, and thus he goes on | |
from drinking cider, wine, or beer, to drinking whiskey, brandy, or rum. | |
Thus drunkards are made. | |
People who are in the habit of taking drinks which contain alcohol, | |
often care more for them than for any thing else, even when they know | |
they are being ruined by them. | |
REVIEW QUESTIONS. | |
1. How does alcohol look? | |
2. How does alcohol burn? | |
3. What will alcohol do to a dead body? | |
4. What drinks contain a little alcohol? | |
5. What drinks are about one half alcohol? | |
6. How does alcohol cheat people? | |
7. When is the appetite sometimes formed? | |
8. Why should you not eat wine-sauce or | |
wine-jelly? | |
9. How are drunkards made? | |
CHAPTER VIII. | |
TOBACCO. | |
[Illustration: A] FARMER who had been in the habit of planting his | |
fields with corn, wheat, and potatoes, once made up his mind to plant | |
tobacco instead. | |
Let us see whether he did any good to the world by the change. | |
The tobacco plants grew up as tall as a little boy or girl, and spread | |
out broad, green leaves. | |
By and by he pulled the stalks, and dried the leaves. Some of them he | |
pressed into cakes of tobacco; some he rolled into cigars; and some he | |
ground into snuff. | |
If you ask what tobacco is good for, the best answer will be, to tell | |
you what it will do to a man or boy who uses it, and then let you answer | |
the question for yourselves. | |
Tobacco contains something called nicotine (n[)i]k'o t[)i]n). This is a | |
strong poison. One drop of it is enough to kill a dog. In one cigar | |
there is enough, if taken pure, to kill two men. | |
[Illustration] | |
Even to work upon tobacco, makes people pale and sickly. Once I went | |
into a snuff mill, and the man who had the care of it showed me how the | |
work was done. | |
The mill stood in a pretty place, beside a little stream which turned | |
the mill-wheel. Tall trees bent over it, and a fresh breeze was blowing | |
through the open windows. Yet the smell of the tobacco was so strong | |
that I had to go to the door many times, for a breath of pure air. | |
I asked the man if it did not make him sick to work there. | |
He said: "It made me very sick for the first few weeks. Then I began to | |
get used to it, and now I don't mind it." | |
He was like the boys who try to learn to smoke. It almost always makes | |
them sick at first; but they think it will be manly to keep on. At last, | |
they get used to it. | |
The sickness is really the way in which the boy's body is trying to say | |
to him: "There is danger here; you are playing with poison. Let me stop | |
you before great harm is done." | |
Perhaps you will say: "I have seen men smoke cigars, even four or five | |
in a day, and it didn't kill them." | |
It did not kill them, because they did not swallow the nicotine. They | |
only drew in a little with the breath. But taking a little poison in | |
this way, day after day, can not be safe, or really helpful to any one. | |
REVIEW QUESTIONS. | |
1. What did the farmer plant instead of corn, | |
wheat, and potatoes? | |
2. What was done with the tobacco leaves? | |
3. What is the name of the poison which is in | |
tobacco? | |
4. How much of it is needed to kill a dog? | |
5. What harm can the nicotine in one cigar do, if | |
taken pure? | |
6. Tell the story of the visit to the snuff mill. | |
7. Why are boys made sick by their first use of | |
tobacco? | |
8. Why does not smoking a cigar kill a man? | |
9. What is said about a little poison? | |
CHAPTER IX. | |
OPIUM. | |
[Illustration: A]LCOHOL and tobacco are called narcotics (nar | |
k[)o]t'iks). This means that they have the power of putting the nerves | |
to sleep. Opium ([=o]'p[)i] [)u]m) is another narcotic. | |
It is a poison made from the juice of poppies, and is used in medicines. | |
Opium is put into soothing-syrups (s[)i]r'[)u]ps), and these are | |
sometimes given to babies to keep them from crying. They do this by | |
injuring the tender nerves and poisoning the little body. | |
How can any one give a baby opium to save taking patient care of it? | |
Surely the mothers would not do it, if they knew that this | |
soothing-syrup that appears like a friend, coming to quiet and comfort | |
the baby, is really an enemy. | |
[Illustration: _Don't give soothing-syrup to children._] | |
Sometimes, a child no older than some of you are, is left at home with | |
the care of a baby brother or sister; so it is best that you should know | |
about this dangerous enemy, and never be tempted to quiet the baby by | |
giving him a poison, instead of taking your best and kindest care of | |
him. | |
REVIEW QUESTIONS. | |
1. What is a narcotic? | |
2. Name three narcotics? | |
3. From what is opium made? | |
4. For what is it used? | |
5. Why is soothing-syrup dangerous? | |
CHAPTER X. | |
WHAT ARE ORGANS? | |
[Illustration: A]N organ is a part of the body which has some special | |
work to do. The eye is the organ of sight. The stomach (st[)u]m'[)a]k) | |
is an organ which takes care of the food we eat. | |
THE TEETH. | |
[Illustration: _Different kinds of teeth._] | |
Your teeth do not look alike, since they must do different kinds of | |
work. The front ones cut, the back ones grind. | |
They are made of a kind of bone covered with a hard smooth enamel ([)e]n | |
[)a]m'el). If the enamel is broken, the teeth soon decay and ache, for | |
each tooth is furnished with a nerve that very quickly feels pain. | |
CARE OF THE TEETH. | |
Cracking nuts with the teeth, or even biting thread, is apt to break the | |
enamel; and when once broken, you will wish in vain to have it mended. | |
The dentist can fill a hole in the tooth; but he can not cover the tooth | |
with new enamel. | |
Bits of food should be carefully picked from between the teeth with a | |
tooth-pick of quill or wood, never with a pin or other hard and sharp | |
thing which might break the enamel. | |
The teeth must also be well brushed. Nothing but perfect cleanliness | |
will keep them in good order. Always brush them before breakfast. Your | |
breakfast will taste all the better for it. Brush them at night before | |
you go to bed, lest some food should be decaying in your mouth during | |
the night. | |
Take care of these cutters and grinders, that they may not decay, and so | |
be unable to do their work well. | |
THE CHEST AND ABDOMEN. | |
You have learned about the twenty-four little bones in the spine, and | |
the ribs that curve around from the spine to the front, or breast-bone. | |
These bones, with the shoulder-blades and the collar-bones, form a bony | |
case or box. | |
In it are some of the most useful organs of the body. | |
This box is divided across the middle by a strong muscle, so that we may | |
say it is two stories high. | |
The upper room is called the chest; the lower one, the abdomen ([)a]b | |
d[=o]'m[)e]n). | |
In the chest, are the heart and the lungs. | |
In the abdomen, are the stomach, the liver, and some other organs. | |
THE STOMACH. | |
The stomach is a strong bag, as wonderful a bag as could be made, you | |
will say, when I tell you what it can do. | |
The outside is made of muscles; the lining prepares a juice called | |
gastric (g[)a]s'tr[)i]k) juice, and keeps it always ready for use. | |
Now, what would you think if a man could put into a bag, beef, and | |
apples, and potatoes, and bread and milk, and sugar, and salt, tie up | |
the bag and lay it away on a shelf for a few hours, and then show you | |
that the beef had disappeared, so had the apples, so had the potatoes, | |
the bread and milk, sugar, and salt, and the bag was filled only with a | |
thin, grayish fluid? Would you not call it a magical bag? | |
Now, your stomach and mine are just such magical bags. | |
We put in our breakfasts, dinners, and suppers; and, after a few hours, | |
they are changed. The gastric juice has been mixed with them. The strong | |
muscles that form the outside of the stomach have been squeezing the | |
food, rolling it about, and mixing it together, until it has all been | |
changed to a thin, grayish fluid. | |
HOW DOES ANYBODY KNOW THIS? | |
A soldier was once shot in the side in such a way that when the wound | |
healed, it left an opening with a piece of loose skin over it, like a | |
little door leading into his stomach. | |
A doctor who wished to learn about the stomach, hired him for a servant | |
and used to study him every day. | |
He would push aside the little flap of skin and put into the stomach any | |
kind of food that he pleased, and then watch to see what happened to it. | |
In this way, he learned a great deal and wrote it down, so that other | |
people might know, too. In other ways, also, which it would take too | |
long to tell you here, doctors have learned how these magical food-bags | |
take care of our food. | |
WHY DOES THE FOOD NEED TO BE CHANGED? | |
Your mamma tells you sometimes at breakfast that you must eat oat-meal | |
and milk to make you grow into a big man or woman. | |
Did you ever wonder what part of you is made of oat-meal, or what part | |
of milk? | |
That stout little arm does not look like oat-meal; those rosy cheeks do | |
not look like milk. | |
If our food is to make stout arms and rosy cheeks, strong bodies and | |
busy brains, it must first be changed into a form in which it can get to | |
each part and feed it. | |
When the food in the stomach is mixed and prepared, it is ready to be | |
sent through the body; some is carried to the bones, some to the | |
muscles, some to the nerves and brain, some to the skin, and some even | |
to the finger nails, the hair, and the eyes. Each part needs to be fed | |
in order to grow. | |
WHY DO PEOPLE WHO ARE NOT GROWING NEED FOOD? | |
Children need each day to make larger and larger bones, larger muscles, | |
and a larger skin to cover the larger body. | |
Every day, each part is also wearing out a little, and needing to be | |
mended by some new food. People who have grown up, need their food for | |
this work of mending. | |
CARE OF THE STOMACH. | |
One way to take care of the stomach is to give it only its own work to | |
do. The teeth must first do their work faithfully. | |
The stomach must have rest, too. I have seen some children who want to | |
make their poor stomachs work all the time. They are always eating | |
apples, or candy, or something, so that their stomachs have no chance to | |
rest. If the stomach does not rest, it will wear out the same as a | |
machine would. | |
The stomach can not work well, unless it is quite warm. If a person | |
pours ice-water into his stomach as he eats, just as the food is | |
beginning to change into the gray fluid of which you have learned, the | |
work stops until the stomach gets warm again. | |
ALCOHOL AND THE STOMACH. | |
You remember about the man who had the little door to his stomach. | |
Sometimes, the doctor put in wine, cider, brandy, or some drink that | |
contained alcohol, to see what it would do. It was carried away very | |
quickly; but during the little time it stayed, it did nothing but harm. | |
It injured the gastric juice, so that it could not mix with the food. | |
If the doctor had put in more alcohol, day after day, as one does who | |
drinks liquor, sores would perhaps have come on the delicate lining of | |
the stomach. Sometimes the stomach is so hurt by alcohol, that the | |
drinker dies. If the stomach can not do its work well, the whole body | |
must suffer from want of the good food it needs.[C] | |
TOBACCO AND THE MOUTH. | |
The saliva in the mouth helps to prepare the food, before it goes into | |
the stomach. Tobacco makes the mouth very dry, and more saliva has to | |
flow out to moisten it. | |
But tobacco juice is mixed with the saliva, and that must not be | |
swallowed. It must be spit out, and with it is sent the saliva that was | |
needed to help prepare the food. | |
Tobacco discolors the teeth, makes bad sores in the mouth, and often | |
causes a disease of the throat. | |
You can tell where some people have been, by the neatness and comfort | |
they leave after them. | |
You can tell where the tobacco-user has been, by the dirty floor, and | |
street, and the air made unfit to breathe, because of the smoke and | |
strong, bad smell of old tobacco from his pipe and cigar and from his | |
breath and clothes. | |
REVIEW QUESTIONS. | |
1. What are organs? | |
2. What work do the front teeth do? the back | |
teeth? | |
3. What are the teeth made of? | |
4. What causes the toothache? | |
5. How is the enamel often broken? | |
6. Why should a tooth-pick be used? | |
7. Why should the teeth be well brushed? | |
8. When should they be brushed? | |
9. What bones form a case or box? | |
10. What is the upper room of this box called? the | |
lower room? | |
11. What organs are in the chest? the abdomen? | |
12. What is the stomach? | |
13. What does its lining do? | |
14. What do the stomach and the gastric juice do | |
to the food we have eaten? | |
15. How did anybody find out what the stomach | |
could do? | |
16. Why must all the food we eat be changed? | |
17. Why do you need food? | |
18. Why do people who are not growing need food? | |
19. What does alcohol do to the gastric juice? to | |
the stomach? | |
20. What is the use of the saliva? | |
21. How does the habit of spitting injure a | |
person? | |
22. How does tobacco affect the teeth? the mouth? | |
23. How does the tobacco-user annoy other people? | |
FOOTNOTE: | |
[Footnote C: The food is partly prepared by the liver and some other | |
organs.] | |
CHAPTER XI. | |
WHAT DOES THE BODY NEED FOR FOOD? | |
[Illustration: N]OW that you know how the body is fed, you must next | |
learn what to feed it with; and what each part needs to make it grow and | |
to keep it strong and well. | |
WATER. | |
A large part of your body is made of water. So you need, of course, to | |
drink water, and to have it used in preparing your food. | |
Water comes from the clouds, and is stored up in cisterns or in springs | |
in the ground. From these pipes are laid to lead the water to our | |
houses. | |
Sometimes, men dig down until they reach a spring, and so make a well | |
from which they can pump the water, or dip it out with a bucket. | |
Water that has been standing in lead pipes, may have some of the lead | |
mixed with it. Such water would be very likely to poison you, if you | |
drank it. | |
Impurities are almost sure to soak into a well if it is near a drain or | |
a stable. | |
If you drink the water from such a well, you may be made very sick by | |
it. It is better to go thirsty, until you can get good water. | |
A sufficient quantity of pure water to drink is just as important for | |
us, as good food to eat. | |
We could not drink all the water that our bodies need. We take a large | |
part of it in our food, in fruits and vegetables, and even in beefsteak | |
and bread. | |
LIME. | |
Bones need lime. You remember the bone that was nothing but crumbling | |
lime after it had been in the fire. | |
Where shall we get lime for our bones? | |
We can not eat lime; but the grass and the grains take it out of the | |
earth. Then the cows eat the grass and turn it into milk, and in the | |
milk we drink, we get some of the lime to feed our bones. | |
[Illustration: _Lime being prepared for our use._] | |
In the same way, the grain growing in the field takes up lime and other | |
things that we need, but could not eat for ourselves. The lime that thus | |
becomes a part of the grain, we get in our bread, oat-meal porridge, and | |
other foods. | |
SALT. | |
Animals need salt, as children who live in the country know very well. | |
They have seen how eagerly the cows and the sheep lick up the salt that | |
the farmer gives them. | |
Even wild cattle and buffaloes seek out places where there are salt | |
springs, and go in great herds to get the salt. | |
We, too, need some salt mixed with our food. If we did not put it in, | |
either when cooking, or afterward, we should still get a little in the | |
food itself. | |
FLESH-MAKING FOODS. | |
Muscles are lean meat, that is flesh; so muscles need flesh-making | |
foods. These are milk, and grains like wheat, corn and oats; also, meat | |
and eggs. Most of these foods really come to us out of the ground. Meat | |
and eggs are made from the grain, grass, and other vegetables that the | |
cattle and hens eat. | |
FAT-MAKING FOODS. | |
We need cushions and wrappings of fat, here and there in our bodies, to | |
keep us warm and make us comfortable. So we must have certain kinds of | |
food that will make fat. | |
[Illustration: _Esquimaux catching walrus._] | |
There are right places and wrong places for fat, as well as for other | |
things in this world. When alcohol puts fat into the muscles, that is | |
fat badly made, and in the wrong place. | |
The good fat made for the parts of the body which need it, comes from | |
fat-making foods. | |
In cold weather, we need more fatty food than we do in summer, just as | |
in cold countries people need such food all the time. | |
The Esquimaux, who live in the lands of snow and ice, catch a great many | |
walrus and seal, and eat a great deal of fat meat. You would not be well | |
unless you ate some fat or butter or oil. | |
WHAT WILL MAKE FAT? | |
Sugar will make fat, and so will starch, cream, rice, butter, and fat | |
meat. As milk will make muscle and fat and bones, it is the best kind of | |
food. Here, again, it is the earth that sends us our food. Fat meat | |
comes from animals well fed on grain and grass; sugar, from sugar-cane, | |
maple-trees, or beets; oil, from olive-trees; butter, from cream; and | |
starch, from potatoes, and from corn, rice, and other grains. | |
Green apples and other unripe fruits are not yet ready to be eaten. The | |
starch which we take for food has to be changed into sugar, before it | |
can mix with the blood and help feed the body. As the sun ripens fruit, | |
it changes its starch to sugar. You can tell this by the difference in | |
the taste of ripe and unripe apples. | |
CANDY. | |
Most children like candy so well, that they are in danger of eating more | |
sugar than is good for them. You would starve if fed only on sugar. | |
We would not need to be quite so much afraid of a little candy if it | |
were not for the poison with which it is often . | |
Even what is called pure, white candy is sometimes not really such. | |
There is a simple way by which you can find this out for yourselves. | |
If you put a spoonful of sugar into a tumbler of water, it will all | |
dissolve and disappear. Put a piece of white candy into a tumbler of | |
water; and, if it is made of pure sugar only, it will dissolve and | |
disappear. | |
If it is not, you will find at the bottom of the tumbler some white | |
earth. This is not good food for anybody. Candy-makers often put it | |
into candy in place of sugar, because it is cheaper than sugar. | |
REVIEW QUESTIONS. | |
1. Why do we need food? | |
2. How do people get water to drink? | |
3. Why is it not safe to drink water that has been | |
standing in lead pipes? | |
4. Why is the water of a well that is near a drain | |
or a stable, not fit to drink? | |
5. What food do the bones need? | |
6. How do we get lime for our bones? | |
7. What is said about salt? | |
8. What food do the muscles need? | |
9. Name some flesh-making foods. | |
10. Why do we need fat in our bodies? | |
11. What is said of the fat made by alcohol? | |
12. What kinds of food will make good fat? | |
13. What do the Esquimaux eat? | |
14. How does the sun change unripe fruits? | |
15. Why is candy often poisonous? | |
16. What is sometimes put into white candy? Why? | |
17. How could you show this? | |
CHAPTER XII. | |
HOW FOOD BECOMES PART OF THE BODY. | |
[Illustration: H]ERE, at last, is the bill of fare for our dinner: | |
Roast beef, | |
Potatoes, | |
Tomatoes, | |
Squash, | |
Bread, | |
Butter, | |
Salt, | |
Water, | |
Peaches, | |
Bananas, | |
Oranges, | |
Grapes. | |
What must be done first, with the different kinds of food that are to | |
make up this dinner? | |
The meat, vegetables, and bread must be cooked. Cooking prepares them to | |
be easily worked upon by the mouth and stomach. If they were not cooked, | |
this work would be very hard. Instead of going on quietly and without | |
letting us know any thing about it, there would be pains and aches in | |
the overworked stomach. | |
The fruit is not cooked by a fire; but we might almost say the sun had | |
cooked it, for the sun has ripened and sweetened it. | |
When you are older, some of you may have charge of the cooking in your | |
homes. You must then remember that food well cooked is worth twice as | |
much as food poorly cooked. | |
"A good cook has more to do with the health of the family, than a good | |
doctor." | |
THE SALIVA. | |
Next to the cooking comes the eating. | |
As soon as we begin to chew our food, a juice in the mouth, called | |
saliva (sa l[=i]'va), moistens and mixes with it. | |
Saliva has the wonderful power of turning starch into sugar; and the | |
starch in our food needs to be turned into sugar, before it can be taken | |
into the blood. | |
You can prove for yourselves that saliva can turn starch into sugar. | |
Chew slowly a piece of dry cracker. The cracker is made mostly of | |
starch, because wheat is full of starch. At first, the cracker is dry | |
and tasteless. Soon, however, you find it tastes sweet; the saliva is | |
changing the starch into sugar. | |
All your food should be eaten slowly and chewed well, so that the saliva | |
may be able to mix with it. Otherwise, the starch may not be changed; | |
and if one part of your body neglects its work, another part will have | |
more than its share to do. That is hardly fair. | |
If you swallow your food in a hurry and do not let the saliva do its | |
work, the stomach will have extra work. But it will find it hard to do | |
more than its own part, and, perhaps, will complain. | |
It can not speak in words; but will by aching, and that is almost as | |
plain as words. | |
SWALLOWING. | |
Next to the chewing, comes the swallowing. Is there any thing wonderful | |
about that? | |
We have two passages leading down our throats. One is to the lungs, for | |
breathing; the other, to the stomach, for swallowing. | |
Do you wonder why the food does not sometimes go down the wrong way? | |
The windpipe leading to the lungs is in front of the other tube. It has | |
at its top a little trap-door. This opens when we breathe and shuts when | |
we swallow, so that the food slips over it safely into the passage | |
behind, which leads to the stomach. | |
If you try to speak while you have food in your mouth, this little door | |
has to open, and some bit of food may slip in. The windpipe will not | |
pass it to the lungs, but tries to force it back. Then we say the food | |
chokes us. If the windpipe can not succeed in forcing back the food, the | |
person will die. | |
HOW THE FOOD IS CARRIED THROUGH THE BODY. | |
But we will suppose that the food of our dinner has gone safely down | |
into the stomach. There the stomach works it over, and mixes in gastric | |
juice, until it is all a gray fluid. | |
Now it is ready to go into the intestines,--a long, coiled tube which | |
leads out of the stomach,--from which the prepared food is taken into | |
the blood. | |
The blood carries it to the heart. The heart pumps it out with the blood | |
into the lungs, and then all through the body, to make bone, and muscle, | |
and skin, and hair, and eyes, and brain. | |
Besides feeding all these parts, this dinner can help to mend any parts | |
that may be broken. | |
Suppose a boy should break one of the bones of his arm, how could it be | |
mended? | |
If you should bind together the two parts of a broken stick and leave | |
them a while, do you think they would grow together? | |
No, indeed! | |
But the doctor could carefully bind together the ends of the broken bone | |
in the boy's arm and leave it for awhile, and the blood would bring it | |
bone food every day, until it had grown together again. | |
So a dinner can both make and mend the different parts of the body. | |
REVIEW QUESTIONS. | |
1. What shall we have for dinner? | |
2. What is the first thing to do to our food? | |
3. Why do we cook meat and vegetables? | |
4. Why do not ripe fruits need cooking? | |
5. What is said about a good cook? | |
6. What is the first thing to do after taking the | |
food into your mouth? | |
7. Why must you chew it? | |
8. What does the saliva do to the food? | |
9. How can you prove that saliva turns starch into | |
sugar? | |
10. What happens if the food is not chewed and | |
mixed with the saliva? | |
11. What comes next to the chewing? | |
12. What is there wonderful about swallowing? | |
13. What must you be careful about, when you are | |
swallowing? | |
14. What happens to the food after it is | |
swallowed? | |
15. How is it changed in the stomach? | |
16. What carries the food to every part of the | |
body? | |
17. How can food mend a bone? | |
CHAPTER XIII. | |
STRENGTH. | |
[Illustration: H]ERE are the names of some of the different kinds of | |
food. If you write them on the blackboard or on your slates, it will | |
help you to remember them. | |
_Water._ _Salt._ _Lime._ | |
Meat, } Sugar, } | |
Milk, } Starch, } | |
Eggs, } Fat, } for fat and heat. | |
Wheat, } for muscles. Cream, } | |
Corn, } Oil, } | |
Oats, } | |
Perhaps some of you noticed that we had no wine, beer, nor any drink | |
that had alcohol in it, on our bill of fare for dinner. We had no | |
cigars, either, to be smoked after dinner. If these are good things, we | |
ought to have had them. Why did we leave them out? | |
_We should eat in order to grow strong and keep | |
strong._ | |
STRENGTH OF BODY. | |
If you wanted to measure your strength, one way of doing so would be to | |
fasten a heavy weight to one end of a rope and pass the rope over a | |
pulley. Then you might take hold at the other end of the rope and pull | |
as hard and steadily as you could, marking the place to which you raised | |
the weight. By trying this once a week, or once a month, you could tell | |
by the marks, whether you were gaining strength. | |
But how can we gain strength? | |
We must exercise in the open air, and take pure air into our lungs to | |
help purify our blood, and plenty of exercise to make our muscles grow. | |
We must eat good and simple food, that the blood may have supplies to | |
take to every part of the body. | |
ALCOHOL AND STRENGTH. | |
People used to think that alcohol made them strong. | |
Can alcohol make good muscles, or bone, or nerve, or brain? | |
You have already answered "No!" to each of these questions. | |
If it can not make muscles, nor bone nor nerve, nor brain, it can not | |
give you any strength. | |
BEER. | |
Some people may tell you that drinking beer will make you strong. | |
The grain from which the beer is made, would have given you strength. If | |
you should measure your strength before and after drinking beer, you | |
would find that you had not gained any. Most of the food part of the | |
grain has been turned into alcohol. | |
CIDER. | |
The juice of crushed apples, you know, is called cider. As soon as the | |
cider begins to turn sour, or "hard," as people say, alcohol begins to | |
form in it. | |
Pure water is good, and apples are good. But the apple-juice begins to | |
be a poison as soon as there is the least drop of alcohol in it. In | |
cider-making, the alcohol forms in the juice, you know, in a few hours | |
after it is pressed out of the apples. | |
None of the drinks in which there is alcohol, can give you real | |
strength. | |
Then why do people think they can? | |
Because alcohol puts the nerves to sleep, they can not, truly, tell the | |
brain how hard the work is, or how heavy the weight to be lifted. | |
The alcohol has in this way cheated men into thinking they can do more | |
than they really can. This false feeling of strength lasts only a little | |
while. When it has passed, men feel weaker than before. | |
A story which shows that alcohol does not give strength, was told me by | |
the captain of a ship, who sailed to China and other distant places. | |
Many years ago, when people thought a little alcohol was good, it was | |
the custom to carry in every ship, a great deal of rum. This liquor is | |
distilled from molasses and contains about one half alcohol. This rum | |
was given to the sailors every day to drink; and, if there was a great | |
storm, and they had very hard work to do, it was the custom to give | |
them twice as much rum as usual. | |
[Illustration] | |
The captain watched his men and saw that they were really made no | |
stronger by drinking the rum; but that, after a little while, they felt | |
weaker. So he determined to go to sea with no rum in his ship. Once out | |
on the ocean, of course the men could not get any. | |
At first, they did not like it; but the captain was very careful to have | |
their food good and plentiful; and, when a storm came, and they were wet | |
and cold and tired, he gave them hot coffee to drink. By the time they | |
had crossed the ocean, the men said: "The captain is right. We have | |
worked better, and we feel stronger, for going without the rum." | |
STRENGTH OF MIND. | |
We have been talking about the strength of muscles; but the very best | |
kind of strength we have is brain strength, or strength of mind. | |
Alcohol makes the head ache and deadens the nerves, so that they can | |
not carry their messages correctly. Then the brain can not think well. | |
Alcohol does not strengthen the mind. | |
Some people have little or no money, and no houses or lands; but every | |
person ought to own a body and a mind that can work for him, and make | |
him useful and happy. | |
Suppose you have a strong, healthy body, hands that are well-trained to | |
work, and a clear, thinking brain to be master of the whole. Would you | |
be willing to change places with a man whose body and mind had been | |
poisoned by alcohol, tobacco, and opium, even though he lived in a | |
palace, and had a million of dollars? | |
If you want a mind that can study, understand, and think well, do not | |
let alcohol and tobacco have a chance to reach it. | |
REVIEW QUESTIONS. | |
1. What things were left out of our bill of fare? | |
2. How could you measure your strength? | |
3. How can you gain strength? | |
4. Why does drinking beer not make you strong? | |
5. Show why drinking wine or any other alcoholic | |
drink will not make you strong. | |
6. Why do people imagine that they feel strong | |
after taking these drinks? | |
7. Tell the story which shows that alcohol does | |
not help sailors do their work. | |
8. What is the best kind of strength to have? | |
9. How does alcohol affect the strength of the | |
mind? | |
CHAPTER XIV. | |
THE HEART. | |
[Illustration: T]HE heart is in the chest, the upper part of the strong | |
box which the ribs, spine, shoulder-blades, and collar-bones make for | |
each of us. | |
It is made of very thick, strong muscles, as you can see by looking at a | |
beef's heart, which is much like a man's, but larger. | |
HOW THE HEART WORKS. | |
Probably some of you have seen a fire-engine throwing a stream of water | |
through a hose upon a burning building. | |
As the engine forces the water through the hose, so the heart, by the | |
working of its strong muscles, pumps the blood through tubes, shaped | |
like hose, which lead by thousands of little branches all through the | |
body. These tubes are called arteries (aer't[)e]r iz). | |
Those tubes which bring the blood back again to the heart, are called | |
veins (v[=a]nz). You can see some of the smaller veins in your wrist. | |
If you press your finger upon an artery in your wrist, you can feel the | |
steady beating of the pulse. This tells just how fast the heart is | |
pumping and the blood flowing. | |
The doctor feels your pulse when you are sick, to find out whether the | |
heart is working too fast, or too slowly, or just right. | |
Some way is needed to send the gray fluid that is made from the food we | |
eat and drink, to every part of the body. | |
To send the food with the blood is a sure way of making it reach every | |
part. | |
So, when the stomach has prepared the food, the blood takes it up and | |
carries it to every part of the body. It then leaves with each part, | |
just what it needs. | |
THE BLOOD AND THE BRAIN. | |
As the brain has so much work to attend to, it must have very pure, good | |
blood sent to it, to keep it strong. Good blood is made from good food. | |
It can not be good if it has been poisoned with alcohol or tobacco. | |
We must also remember that the brain needs a great deal of blood. If we | |
take alcohol into our blood, much of it goes to the brain. There it | |
affects the nerves, and makes a man lose control over his actions. | |
EXERCISE. | |
When you run, you can feel your heart beating. It gets an instant of | |
rest between the beats. | |
Good exercise in the fresh air makes the heart work well and warms the | |
body better than a fire could do. | |
DOES ALCOHOL DO ANY HARM TO THE HEART? | |
Your heart is made of muscle. You know what harm alcohol does to the | |
muscles. | |
Could a fatty heart work as well as a muscular heart? No more than a | |
fatty arm could do the work of a muscular arm. Besides, alcohol makes | |
the heart beat too fast, and so it gets too tired. | |
REVIEW QUESTIONS. | |
1. Where is the heart placed? | |
2. Of what is it made? | |
3. What work does it do? | |
4. What are arteries and veins? | |
5. What does the pulse tell us? | |
6. How does the food we eat reach all parts of the | |
body? | |
7. How does alcohol in the blood affect the brain? | |
8. When does the heart rest? | |
9. How does exercise in the fresh air help the | |
heart? | |
10. What harm does alcohol do to the heart? | |
CHAPTER XV. | |
THE LUNGS. | |
[Illustration: T]HE blood flows all through the body, carrying good food | |
to every part. It also gathers up from every part the worn-out matter | |
that can no longer be used. By the time it is ready to be sent back by | |
the veins, the blood is no longer pure and red. It is dull and bluish in | |
color, because it is full of impurities. | |
If you look at the veins in your wrist, you will see that they look | |
blue. | |
If all this bad blood goes back to the heart, will the heart have to | |
pump out bad blood next time? No, for the heart has neighbors very near | |
at hand, ready to change the bad blood to pure, red blood again. | |
THE LUNGS. | |
These neighbors are the lungs. They are in the chest on each side of | |
the heart. When you breathe, their little air-cells swell out, or | |
expand, to take in the air. Then they contract again, and the air passes | |
out through your mouth or nose. The lungs must have plenty of fresh air, | |
and plenty of room to work in. | |
[Illustration: _The lungs, heart, and air-passages._] | |
If your clothes are too tight and the lungs do not have room to expand, | |
they can not take in so much air as they should. Then the blood can not | |
be made pure, and the whole body will suffer. | |
For every good breath of fresh air, the lungs take in, they send out one | |
of impure air. | |
In this way, by taking out what is bad, they prepare the blood to go | |
back to the heart pure and red, and to be pumped out through the body | |
again. | |
How the lungs can use the fresh air for doing this good work, you can | |
not yet understand. By and by, when you are older, you will learn more | |
about it. | |
CARE OF THE LUNGS. | |
Do the lungs ever rest? | |
You never stop breathing, not even in the night. But if you watch your | |
own breathing you will notice a little pause between the breaths. Each | |
pause is a rest. But the lungs are very steady workers, both by night | |
and by day. The least we can do for them, is to give them fresh air and | |
plenty of room to work in. | |
You may say: "We can't give them more room than they have. They are | |
shut up in our chests." | |
I have seen people who wore such tight clothes that their lungs did not | |
have room to take a full breath. If any part of the lungs can not | |
expand, it will become useless. If your lungs can not take in air enough | |
to purify the blood, you can not be so well and strong as God intended, | |
and your life will be shortened. | |
If some one was sewing for you, you would not think of shutting her up | |
in a little place where she could not move her hands freely. The lungs | |
are breathing for you, and need room enough to do their work. | |
THE AIR. | |
The lungs breathe out the waste matter that they have taken from the | |
blood. This waste matter poisons the air. If we should close all the | |
doors and windows, and the fireplace or opening into the chimney, and | |
leave not even a crack by which the fresh air could come in, we would | |
die simply from staying in such a room. The lungs could not do their | |
work for the blood, and the blood could not do its work for the body. | |
Impure air-will poison you. You should not breathe it. If your head | |
aches, and you feel dull and sleepy from being in a close room, a run in | |
the fresh air will make you feel better. | |
The good, pure air makes your blood pure; and the blood then flows | |
quickly through your whole body and refreshes every part. | |
We must be careful not to stay in close rooms in the day-time, nor sleep | |
in close rooms at night. We must not keep out the fresh air that our | |
bodies so much need. | |
It is better to breathe through the nose than through the mouth. You can | |
soon learn to do so, if you try to keep your mouth shut when walking or | |
running. | |
If you keep the mouth shut and breathe through the nose, the little | |
hairs on the inside of the nose will catch the dust or other impurities | |
that are floating in the air, and so save their going to the lungs. You | |
will get out of breath less quickly when running if you keep your mouth | |
shut. | |
DOES ALCOHOL DO ANY HARM TO THE LUNGS? | |
The little air-cells of the lungs have very delicate muscular (m[)u]s'ku | |
lar) walls. Every time we breathe, these walls have to move. The muscles | |
of the chest must also move, as you can all notice in yourselves, as you | |
breathe. | |
All this muscular work, as well as that of the stomach and heart, is | |
directed by the nerves. | |
You have learned already what alcohol will do to muscles and nerves, so | |
you are ready to answer for stomach, for heart, and for lungs. Is | |
alcohol a help to them? | |
REVIEW QUESTIONS. | |
1. Besides carrying food all over the body, what | |
other work does the blood do? | |
2. Why does the blood in the veins look blue? | |
3. Where is the blood made pure and red again? | |
4. Where is it sent, from the lungs? | |
5. What must the lungs have in order to do this | |
work? | |
6. When do the lungs rest? | |
7. Why should we not wear tight clothes? | |
8. How does the air in a room become spoiled? | |
9. How can we keep it fresh and pure? | |
10. How should we breathe? | |
11. Why is it better to breathe through the nose | |
than through the mouth? | |
12. Why is alcohol not good for the lungs? | |
CHAPTER XVI. | |
THE SKIN. | |
[Illustration: T]HERE is another part of your body carrying away waste | |
matter all the time--it is the skin. | |
The body is covered with skin. It is also lined with a more delicate | |
kind of skin. You can see where the outside skin and the lining skin | |
meet at your lips. | |
There is a thin outside layer of skin which we can pull off without | |
hurting ourselves; but I advise you not to do so. Because under the | |
outside skin is the true skin, which is so full of little nerves that it | |
will feel the least touch as pain. When the outer skin, which protects | |
it, is torn away, we must cover the true skin to keep it from harm. | |
In hot weather, or when any one has been working or playing hard, the | |
face, and sometimes the whole body, is covered with little drops of | |
water. We call these drops perspiration (p[~e]r sp[)i] r[=a]'sh[)u]n). | |
[Illustration: _Perspiratory tube._] | |
Where does it come from? It comes through many tiny holes in the skin, | |
called pores (p[=o]rz). Every pore is the mouth of a tiny tube which is | |
carrying off waste matter and water from your body. If you could piece | |
together all these little perspiration tubes that are in the skin of one | |
person, they would make a line more than three miles long. | |
Sometimes, you can not see the perspiration, because there is not enough | |
of it to form drops. But it is always coming out through your skin, both | |
in winter and summer. Your body is kept healthy by having its worn-out | |
matter carried off in this way, as well as in other ways. | |
THE NAILS. | |
The nails grow from the skin. | |
The finger nails are little shields to protect the ends of your fingers | |
from getting hurt. These finger ends are full of tiny nerves, and would | |
be badly off without such shields. No one likes to see nails that have | |
been bitten. | |
CARE OF THE SKIN. | |
Waste matter is all the time passing out through the perspiration tubes | |
in the skin. This waste matter must not be left to clog up the little | |
openings of the tubes. It should be washed off with soap and water. | |
When children have been playing out-of-doors, they often have very dirty | |
hands and faces. Any one can see, then, that they need to be washed. But | |
even if they had been in the cleanest place all day and had not touched | |
any thing dirty, they would still need the washing; for the waste matter | |
that comes from the inside of the body is just as hurtful as the mud or | |
dust of the street. You do not see it so plainly, because it comes out | |
very little at a time. Wash it off well, and your skin will be fresh and | |
healthy, and able to do its work. If the skin could not do its work, you | |
would die. | |
Do not keep on your rubber boots or shoes all through school-time. | |
Rubber will not let the perspiration pass off, so the little pores get | |
clogged and your feet begin to feel uncomfortable, or your head may | |
ache. No part can fail to do its work without causing trouble to the | |
rest of the body. But you should always wear rubbers out-of-doors when | |
the ground is wet. Certainly, they are very useful then. | |
When you are out in the fresh air, you are giving the other parts of | |
your body such a good chance to perspire, that your feet can bear a | |
little shutting up. But as soon as you come into the house, take the | |
rubbers off. | |
Now that you know what the skin is doing all the time, you will | |
understand that the clothes worn next to your skin are full of little | |
worn-out particles, brought out by the perspiration. When these clothes | |
are taken off at night, they should be so spread out, that they will | |
air well before morning. Never wear any of the clothes through the | |
night, that you have worn during the day. | |
Do not roll up your night-dress in the morning and put it under your | |
pillow. Give it first a good airing at the window and then hang it where | |
the air can reach it all day. By so doing, you will have sweeter sleep | |
at night. | |
You are old enough to throw the bed-clothes off from the bed, before | |
leaving your rooms in the morning. In this way, the bed and bed-clothes | |
may have a good airing. Be sure to give them time enough for this. | |
WORK OF THE BODY. | |
You have now learned about four important kinds of work:-- | |
1st. The stomach prepares the food for the blood to take. | |
2d. The blood is pumped out of the heart to carry food to every part of | |
the body, and to take away worn-out matter. | |
3d. The lungs use fresh air in making the dark, impure blood, bright and | |
pure again. | |
4th. The skin carries away waste matter through the little perspiration | |
tubes. | |
All this work goes on, day and night, without our needing to think about | |
it at all; for messages are sent to the muscles by the nerves which keep | |
them faithfully at work, whether we know it or not. | |
REVIEW QUESTIONS. | |
1. What covers the body? | |
2. What lines the body? | |
3. Where are the nerves of the skin? | |
4. What is perspiration? What is the common name | |
for it? | |
5. What are the pores of the skin? | |
6. How does the perspiration help to keep you | |
well? | |
7. Of what use are the nails? | |
8. How should they be kept? | |
9. What care should be taken of the skin? | |
10. Why should you not wear rubber boots or | |
overshoes in the house? | |
11. Why should you change under-clothing night and | |
morning? | |
12. Where should the night-dress be placed in the | |
morning? | |
13. What should be done with the bed-clothes? Why? | |
14. Name the four kinds of work about which you | |
have learned. | |
15. How are the organs of the body kept at work? | |
CHAPTER XVII. | |
THE SENSES. | |
[Illustration: W]E have five ways of learning about all things around | |
us. We can see them, touch them, taste them, smell them, or hear them. | |
Sight, touch, taste, smell, and hearing, are called the five senses. | |
You already know something about them, for you are using them all the | |
time. | |
In this lesson, you will learn a little more about seeing and hearing. | |
THE EYES. | |
In the middle of your eye is a round, black spot, called the pupil. This | |
pupil is only a hole with a muscle around it. When you are in the light, | |
the muscle draws up, and makes the pupil small, because you can get all | |
the light you need through a small opening. When you are in the dark, | |
the muscle stretches, and opens the pupil wide to let in more light. | |
The pupils of the cat's eyes are very large in the dark. They want all | |
the light they can get, to see if there are any mice about. | |
[Illustration: _The eyelashes and the tear-glands._] | |
The pupil of the eye opens into a little, round room where the nerve of | |
sight is. This is a safe place for this delicate nerve, which can not | |
bear too much light. It carries to the brain an account of every thing | |
we see. | |
We might say the eye is taking pictures for us all day long, and that | |
the nerve of sight is describing these pictures to the brain. | |
CARE OF THE EYES. | |
The nerves of sight need great care, for they are very delicate. | |
Do not face a bright light when you are reading or studying. While | |
writing, you should sit so that the light will come from the left side; | |
then the shadow of your hand will not fall upon your work. | |
One or two true stories may help you to remember that you must take good | |
care of your eyes. | |
The nerve of sight can not bear too bright a light. It asks to have the | |
pupil made small, and even the eyelid curtains put down, when the light | |
is too strong. | |
Once, there was a boy who said boastfully to his playmates: "Let us see | |
which of us can look straight at the sun for the longest time." | |
Then they foolishly began to look at the sun. The delicate nerves of | |
sight felt a sharp pain, and begged to have the pupils made as small as | |
possible and the eyelid curtains put down. | |
But the foolish boys said "No." They were trying to see which would bear | |
it the longest. Great harm was done to the brains as well as eyes of | |
both these boys. The one who looked longest at the sun died in | |
consequence of his foolish act. | |
The second story is about a little boy who tried to turn his eyes to | |
imitate a schoolmate who was cross-eyed. He turned them; but he could | |
not turn them back again. Although he is now a gentleman more than fifty | |
years old and has had much painful work done upon his eyes, the doctors | |
have never been able to set them quite right. | |
You see from the first story, that you must be careful not to give your | |
eyes too much light. But you must also be sure to give them light | |
enough. | |
When one tries to read in the twilight, the little nerve of sight says: | |
"Give me more light; I am hurt, by trying to see in the dark." | |
If you should kill these delicate nerves, no others would ever grow in | |
place of them, and you would never be able to see again. | |
THE EARS. | |
What you call your ears are only pieces of gristle, so curved as to | |
catch the sounds and pass them along to the true ears. These are deeper | |
in the head, where the nerve of hearing is waiting to send an account | |
of each sound to the brain. | |
CARE OF THE EARS. | |
The ear nerve is in less danger than that of the eye. Careless children | |
sometimes put pins into their ears and so break the "drum." That is a | |
very bad thing to do. Use only a soft towel in washing your ears. You | |
should never put any thing hard or sharp into them. | |
I must tell you a short ear story, about my father, when he was a small | |
boy. | |
One day, when playing on the floor, he laid his ear to the crack of the | |
door, to feel the wind blow into it. He was so young that he did not | |
know it was wrong; but the next day he had the earache severely. | |
Although he lived to be an old man, he often had the earache. He thought | |
it began from the time when the wind blew into his ear from under that | |
door. | |
ALCOHOL AND THE SENSES. | |
All this fine work of touching, tasting, seeing, smelling, and hearing, | |
is nerve work. | |
The man who is in the habit of using alcoholic drinks can not touch, | |
taste, see, smell, or hear so well as he ought. His hands tremble, his | |
speech is sometimes thick, and often he can not walk straight. | |
Sometimes, he thinks he sees things when he does not, because his poor | |
nerves are so confused by alcohol that they can not do their work. | |
Answer now for your taste, smell, and touch, and also for your sight and | |
hearing; should their beautiful work be spoiled by alcohol? | |
REVIEW QUESTIONS. | |
1. Name the five senses. | |
2. What is the pupil of the eye? | |
3. How is it made larger or smaller? | |
4. Why does it change in size? | |
5. What can a cat's eyes do? | |
6. Where is the nerve of the eye? | |
7. What work does it do? | |
8. Why must one be careful of his eyes? | |
9. Where should the light be for reading or | |
studying? | |
10. Tell the story of the boys who looked at the | |
sun. | |
11. Tell the story of the boy who made himself | |
cross-eyed. | |
12. Why should you not read in the twilight? | |
13. What would be the result, if you should kill | |
the nerves of sight? | |
14. Where are the true ears? | |
15. How may the nerves of hearing be injured? | |
16. Tell the story of the boy who injured his ear. | |
17. How is the work of the senses affected by | |
drinking liquor? | |
CHAPTER XVIII. | |
HEAT AND COLD. | |
WHAT MAKES US WARM? | |
"[Illustration: M]Y thick, warm clothes make me warm," says some child. | |
No! Your thick, warm clothes keep you warm. They do not make you warm. | |
Take a brisk run, and your blood will flow faster and you will be warm | |
very quickly. | |
On a cold day, the teamster claps his hands and swings his arms to make | |
his blood flow quickly and warm him. | |
Every child knows that he is warm inside; for if his fingers are cold, | |
he puts them into his mouth to warm them. | |
If you should put a little thermometer into your mouth, or under your | |
tongue, the mercury (m[~e]r'ku r[)y]) would rise as high as it does out | |
of doors on a hot, summer day. | |
This would be the same in summer or winter, in a warm country or a cold | |
one, if you were well and the work of your body was going on steadily. | |
WHERE DOES THIS HEAT COME FROM? | |
Some of the work which is all the time going on inside your body, makes | |
this heat. | |
The blood is thus warmed, and then it carries the heat to every part of | |
the body. The faster the blood flows, the more heat it brings, and the | |
warmer we feel. | |
In children, the heart pumps from eighty to ninety times a minute. | |
This is faster than it works in old people, and this is one reason why | |
children are generally much warmer than old people. | |
But we are losing heat all the time. | |
You may breathe in cold air; but that which you breathe out is warm. A | |
great deal of heat from your warm body is all the time passing off | |
through your skin, into the cooler air about you. For this reason, a | |
room full of people is much warmer than the same room when empty. | |
CLOTHING. | |
We put on clothes to keep in the heat which we already have, and to | |
prevent the cold air from reaching our skins and carrying off too much | |
heat in that way. | |
Most of you children are too young to choose what clothes you will wear. | |
Others decide for you. You know, however, that woolen under-garments | |
keep you warm in winter, and that thick boots and stockings should be | |
worn in cold weather. Thin dresses or boots may look pretty; but they | |
are not safe for winter wear, even at a party. | |
A healthy, happy child, dressed in clothes which are suitable for the | |
season, is pleasanter to look at than one whose dress, though rich and | |
handsome, is not warm enough for health or comfort. | |
When you feel cold, take exercise, if possible. This will make the hot | |
blood flow all through your body and warm it. If you can not, you should | |
put on more clothes, go to a warm room, in some way get warm and keep | |
warm, or the cold will make you sick. | |
TAKING COLD. | |
If your skin is chilled, the tiny mouths of the perspiration tubes are | |
sometimes closed and can not throw out the waste matter. Then, if one | |
part fails to do its work, other parts must suffer. Perhaps the inside | |
skin becomes inflamed, or the throat and lungs, and you have a cold, or | |
a cough. | |
ALCOHOL AND COLD. | |
People used to think that nothing would warm one so well on a cold day, | |
as a glass of whiskey, or other alcoholic drink. | |
It is true that, if a person drinks a little alcohol, he will feel a | |
burning in the throat, and presently a glowing heat on the skin. | |
The alcohol has made the hot blood rush into the tiny tubes near the | |
skin, and he thinks it has warmed him. | |
But if all this heat comes to the skin, the cold air has a chance to | |
carry away more than usual. In a very little time, the drinker will be | |
colder than before. Perhaps he will not know it; for the cheating | |
alcohol will have deadened his nerves so that they send no message to | |
the brain. Then he may not have sense enough to put on more clothing and | |
may freeze. He may even, if it is very cold, freeze to death. | |
People, who have not been drinking alcohol are sometimes frozen; but | |
they would have frozen much quicker if they had drunk it. | |
Horse-car drivers and omnibus drivers have a hard time on a cold winter | |
day. They are often cheated into thinking that alcohol will keep them | |
warm; but doctors have learned that it is the water-drinkers who hold | |
out best against the cold. Alcohol can not really keep a person warm. | |
All children are interested in stories about Arctic explorers, whose | |
ships get frozen into great ice-fields, who travel on sledges drawn by | |
dogs, and sometimes live in Esquimau huts, and drink oil, and eat walrus | |
meat. | |
These men tell us that alcohol will not keep them warm, and you know | |
why. | |
The hunters and trappers in the snowy regions of the Rocky Mountains say | |
the same thing. Alcohol not only can not keep them warm; but it lessens | |
their power to resist cold. | |
[Illustration: _Scene in the Arctic regions._] | |
Many of you have heard about the Greely party who were brought home from | |
the Arctic seas, after they had been starving and freezing for many | |
months. | |
There were twenty-six men in all. Of these, nineteen died. Seven were | |
found alive by their rescuers; one of these died soon afterward. The | |
first man who died, was the only one of the party who had ever been a | |
drunkard. | |
Of the nineteen who died, all but one used tobacco. Of the six now | |
living,--four never used tobacco at all; and the other two, very seldom. | |
The tobacco was no real help to them in time of trouble. It had probably | |
weakened their stomachs, so that they could not make the best use of | |
such poor food as they had. | |
REVIEW QUESTIONS. | |
1. Why do you wear thick clothes in cold weather? | |
2. How can you prove that you are warm inside? | |
3. What makes this heat? | |
4. What carries this heat through your body? | |
5. How rapidly does your heart beat? | |
6. How are you losing heat all the time? | |
7. How can you warm yourself without going to the | |
fire? | |
8. Will alcohol make you warmer, or colder? | |
9. How does it cheat you into thinking that you | |
will be warmer for drinking it? | |
10. What do the people who travel in very cold | |
countries, tell us about the use of alcohol? | |
11. How did tobacco affect the men who went to the | |
Arctic seas with Lieutenant Greely? | |
CHAPTER XIX. | |
WASTED MONEY. | |
COST OF ALCOHOL. | |
[Illustration: N]OW that you have learned about your bodies, and what | |
alcohol will do to them, you ought also to know that alcohol costs a | |
great deal of money. Money spent for that which will do no good, but | |
only harm, is certainly wasted, and worse than wasted. | |
If a boy or a girl save ten cents a week, it will take ten weeks to save | |
a dollar. | |
You can all think of many good and pleasant ways to spend a dollar. What | |
would the beer-drinker do with it? If he takes two mugs of beer a day, | |
the dollar will be used up in ten days. But we ought not to say used, | |
because that word will make us think it was spent usefully. We will say, | |
instead, the dollar will be wasted, in ten days. | |
If he spends it for wine or whiskey, it will go sooner, as these cost | |
more. If no money was spent for liquor in this country, people would not | |
so often be sick, or poor, or bad, or wretched. We should not need so | |
many policemen, and jails, and prisons, as we have now. If no liquor was | |
drunk, men, women, and children would be better and happier. | |
COST OF TOBACCO. | |
Most of you have a little money of your own. Perhaps you earned a part, | |
or the whole of it, yourselves. You are planning what to do with it, and | |
that is a very pleasant kind of planning. | |
Do you think it would be wise to make a dollar bill into a tight little | |
roll, light one end of it with a match, and then let it slowly burn up? | |
That would be wasting it, you say! (_See Frontispiece._) | |
Yes! it would be wasted, if thus burned. It would be worse than wasted, | |
if, while burning, it should also hurt the person who held it. If you | |
should buy cigars or tobacco with your dollar, and smoke them, you could | |
soon burn up the dollar and hurt yourselves besides. | |
Can you count a million? Can you count a hundred millions? Try some day | |
to do this counting. Then, when you begin to have some idea how much six | |
hundred millions is, remember that six hundred million dollars are spent | |
in this country every year for tobacco--burned up--wasted--worse than | |
wasted. | |
Do you think the farmer who planted tobacco instead of corn, did any | |
good to the world by the change? | |
REVIEW QUESTIONS. | |
1. How may one waste money? | |
2. Name some good ways for spending money. | |
3. How does the liquor-drinker spend his money? | |
4. What could we do, if no money was spent for | |
liquor? | |
5. Tell two ways in which you could burn up a | |
dollar bill. | |
6. Which would be the safer way? | |
7. How much money is spent for tobacco, yearly, in | |
this country? | |
* * * * * | |
Transcriber's Notes: | |
This book contains pronunciation codes. These are indicated in the text | |
by the following | |
breve: [)i] | |
macron: [=i] | |
tilde: [~i] | |
slash through the letter: [\l] | |
Obvious punctuation errors repaired. | |
End of the Project Gutenberg EBook of Child's Health Primer For Primary | |
Classes, by Jane Andrews | |
*** |