Class 10 > Science

Question

What is the percentage of H₂O present in our body?
Easy

Solution

The percentage of H₂O present in our body is upto 60%. According to some scientists, the brain and heart are composed of 73% water, the lungs have 83% water and the skin contains 64% water. Even muscles and kidneys have 79% and bones contain 31% water in total. Most of the chemical reactions and enzymes work only in the presence of water.

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