Pretend you are a teacher preparing a quiz for the text I will provide. 
            Each quiz question should follow the format below. 
            Ensure that you carefully recheck the questions and answers for accuracy. 
            The output should be a ready-to-use list of dictionaries for the Python eval function:

            [

                    "question": "WRITE THE QUESTION HERE",
                    "options": ["A) OPTION_1", "B) OPTION_2", "C) OPTION_3", "D) OPTION_4"],
                    "answer": INDEX_OF_CORRECT_ANSWER_IN_OPTIONS_LIST,
                    "explanation": "EXPLAIN WHY THE ANSWER IS CORRECT"

            ]

            Text:
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• Body is formed by solids and fluids, Fluid part is more than two third of the whole body. 
• Water is a basic constituent and forms most of the fluid part of the body. 
• In human beings, the total body water (TBW) varies from 45% to 75% of body weight.
•
In a normal young adult male, body contains 60% to 65% of water and 35% to 40% of solids. 
•
In a normal young adult female, the water is 50% to 55% and solids are 45% to 50%, in 
females, water is less because of more amount of subcutaneous adipose tissue. 
•
In thin persons, water content is more than that in obese persons. 
•
In old age, water content is decreased due to increase in adipose tissue. 
Introduction of the Total body water (TBW)  
Dr: Asma’a Al-Hnhna
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•
Total quantity of body water in an average human being weighing about 70 kg is about 40 L.
Body Water Content: Varies with weight, age, and sex:
• Early embryo (97%)
• Newborn (77%)
• Adult male (60%)
• Adult female (54%)
• Elderly (45%)
Dr: Asma’a Al-Hnhna
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Adipose tissue versus skeletal muscle largely determines adult differences.
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The TBW normally averages 60% of the body weight in young adults, which are distributed as 
follows:
1) Intracellular fluid (ICF): 2/3 of TBW ↔ (67%) of TBW ↔ 40% of the body weight
2) Extracellular fluid (ECF): 1/3 of TBW ↔ (33%) of TBW ↔ 20% of the body weight
Distribution of TBW
Dr: Asma’a Al-Hnhna
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Extracellular fluid (ECF): This about 1/3 (33%) of TBW ↔(20 % of body weight).Distribution of TBW (60%)
It includes the following subdivision:
1- Intravascular fluid (the plasma): 
This about ¼ (25%) of ECF ↔5 %
of the body weight.
2- Extravascular fluid (interstitial fluid):    
It about ¾ (75%) of ECF ↔15 % of body 
weight. This includes the interstitial fluid 
(tissue fluid) and the transcellular fluids.
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Transcellular Fluid
Extra Cellular Fluid
INTRA CELLULAR  FLUID 
(Cytosol)
Plasma
Interstitial Fluid
1. CSF
2. Intra ocular
3. Pleural
4. Peritoneal
5. Synovial
6. Digestive Secretions
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Fluid Compartments
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Extracellular fluid (ECF):
Transcellular fluid includes: 
1.
Cerebrospinal fluid 
2.
Intraocular fluid 
3.
Digestive juices 
4.
Serous fluid – intrapleural fluid, 
pericardial fluid and peritoneal fluid 
5.
Synovial fluid in joints 
6.
Fluid in urinary tract
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1. It provides a medium for the chemical and enzymatic reaction to occur.
2. It is a medium for different physical processes (e.g. diffusion and filtration).
Function of the body water
3. It regulates the body temperature.
4. It acts as a lubricant in joints and pleura.
5. It acts as a refractive medium of eye.
6. The cerebrospinal fluid acts as a mechanical buffer.
7. It is the medium for exchange of both O2 and CO2 in 
the lungs and tissues.
Dr: Asma’a Al-Hnhna
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Composition Of Bo

            Quiz: