Multiple choice

About ______percent of the body of the human beings and also other living beings is water.

  1. 20

  2. 40

  3. 60

  4. 80
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The human body and most living organisms are composed of approximately 70-80% water by mass. This water is essential for various biological processes including temperature regulation, waste removal, and cellular function. While the exact percentage varies by age and species, 80% is the closest standard approximation taught in basic biology.

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