How much of the human body is water?
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One third
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About two Thirds
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Half
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About Three Thirds
B
Correct answer
Explanation
The human body is approximately 60-65% water, which is about two-thirds of total body mass. This water is distributed in cells (intracellular), blood, and extracellular fluids. Water content varies by tissue - blood is about 92% water, while bones are only about 22% water.