The tri-weekly news. [volume] (Winnsboro, S.C.) 1865-1876, 1866-03-31
The Law OF Circulation.

eoulse 'ha' bounds the area OF geonre
tnc circle, but the starting from on,
point and returning to- the same. Tb;
law obtains in many beautiful system.
OF nature, as we'll as in some devised by
human agency. A tew nonrents NAV
oe agreeabiy employed in CONSIDERING
some OF these. And the first is the
|. Circulation Of Blood. MANY
centuries elapsed before the kew was
found to unlock and reveal the great
mystery that surrounded this subject
And when the facts were made known
the discover was prosecuted as all great
genluses have been in every age. But
fortunately, there is always enough of
'npreJndlced talent to give patient
hearing to the rignator of startling
discovery or invention, and TINS enable
It's merits TO force themselves upon the
second sober reason of the populace.
30 1T was with this discovery.
Without any attempt to go into all
the technicallties pertaining to scien.
tihc description of blood circulation. we
will simply follow it stripped of such
encumbrances.
The starting poins of blood in its cir
culalion. is from the left side Of the
heart. 1t is forced thence by a power
ful mechanical action of the heart.
THIS action is the contraction of tbat
wonderful involuntary muscle, which
acts upon the enclosed blood, gripinp it
;he strongest man. This impulslve force
hurles the crimson fluid into the great
channel that leads from the left side of
the heart, which by branching out into
rami6caLions forms the great
system of arteries, or distributing ducts
and these again branching out into mil.
lions Of capllaries, or hair.like tubes.
form network of blood.fillcd channels
so thick over the whole body that even
the puncture Of needles point cannot
be made without rupturing one or more.
This great network terminates the dis
tributive system, for scattering the
blood, and begins that other system OF
collecting the blood and conveying it
back to tile heart. bat to the right side
of it. 1t was never known urtil this
discovery was made, what it was that
gave growth to animals. 1t was never
known what transmorphoss made bore
and muscle out Of the food we cat.
When the blood has returned to the
opposite side of the heart from that from
which it was forced, it has completed
the greater circulation. Thence it is again
forced to make another circuit, called the
lesser circulation. BY the momentum
which it receives from the rightside of the
the heart, the blood is thrown into, and
carried through, the lungs, whence it Is
! again DOTHt DdCh INV tilO tSiV oiSS Vi
heart. And now we have got the
blood to the point whence it started
The general reader need not enter into
minute study Of the construction of the
whole human body, to coincide will
the sacred writer that "we are fearfully
and wonderfully made" A very s''
perfcial study of the subject now con
sidercd, or of the construction and use
of the hand or the eye-barripg thos
thousand and one parts of anatom.
which have furnished texts for Who'll
Libraries of books--.will constrain tn
observer to adopt the language of ths
same sacred author
Having followed rapidly the courf
f of blood in its circulation through I'll
/, body, let us return a moment and r