Approximately what percentage of the body is water?
1. 20 percent
2. 30 percent
3. 99 percent
4 60 percent

Approximately, 60 percent of the body is water.

Explanation:

Up to 60% of the human adult body is water. According to H.H. Mitchell, Journal of Biological Chemistry 158, the brain and heart are composed of 73% water, and the lungs are about 83% water. The skin contains 64% water, muscles and kidneys are 79%, and even the bones are watery: 31%.

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