Percentage water human body 90? 70? 53?


by Superposed_Cat
Tags: body, human, percentage, water
Superposed_Cat
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#1
Nov17-13, 12:45 AM
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P: 257
Hi, every time I hear any website/TV program/person mention the percentage water composition of the human body it varies tremendously. 90,80,85,70,53. What is it? any help appreciated. Thanks
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KCC2
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#2
Nov17-13, 02:27 AM
P: 15
My Human Physiology book says that the 70-kilogram (154 pounds) reference man has 60% of his total body weight in the form of water (42 kg or 92.4 pounds). For women, it's a bit less because women have more adipose tissue (fat). Infants have more and old people have less water.

About two thirds of the water is in the cells, and the remaining third is split between interstitial fluid (75%) and the (blood) plasma (25%).
Superposed_Cat
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#3
Nov17-13, 10:49 AM
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P: 257
Thanks


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