What is the proportion of water to total body weight in a normal person?

60%

70%

80%

90%

60% is the proportion of water to total body weight in a normal person
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The amount of water in the body changes slightly with age, sex, and hydration levels.
While the average percentage of water in a person's body is around 60%, the percentage can vary from roughly 45–75%.
According to Mitchell and others (1945)