Physiology

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Author:
jengold
ID:
240771
Filename:
Physiology
Updated:
2013-10-15 12:06:27
Tags:
Body Fluids
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Description:
School
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  1. What is the milieu interieur?
    1. Environment surrounding individual cells is vastly different from external environment

    2. Internal environment remains relatively constant under conditions of health
  2. What accounds for the large variation in water content in different individuals?
    The percent of water in various tissues

    • - skin, muslce, heart, brain = 70-80%
    • - bone = 25% 
    • - fat = 10% 

    If water content is computed as lean body mass, the difference between individuals becomes insignificant
  3. What causes a negative water balance?
    • 1. Reduced intake
    • 2. Excessive loss from gut
    • 3. Excessive sweating
    • 4. Excessive loss in expired air
    • 5. Excessive loss in urine

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