Question : The element which is the most abundant in the human body is :
Option 1: Oxygen
Option 2: Carbon
Option 3: Iron
Option 4: Nitrogen
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Correct Answer: Oxygen
Solution : The correct option is - Oxygen
The four elements that make up 97% of our body's weight are oxygen, carbon, hydrogen, and nitrogen. By weight, oxygen takes up between 65% and 67% of the human body. For the body's chemical activities, such as metabolism, which produce energy, oxygen is essential.
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