Which of the following elements is found in maximum percentage in the human body?

Which of the following elements is found in maximum percentage in the human body? 

(1) Carbon 

(2) Hydrogen 

(3) Nitrogen 

(4) Oxygen 


Answer: (4) Most of the human body is made up of water, H2O, with cells consisting of 65-90% water by weight. Therefore, it isn’t surprising that most of the human body’s mass is oxygen. Carbon, the basic unit for organic molecules, comes in second. 99% of the mass of the human body is made up of just six elements: oxygen, carbon, hydrogen, Nitrogen, Calcium, and phosphorus.

Which of the following elements is found in maximum percentage in the human body?   (1) Carbon   (2) Hydrogen   (3) Nitrogen   (4) Oxygen


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