Q.

The element which is the most abundant in the human body is :

A. Oxygen
B. Carbon
C. Iron
D. Nitrogen
Answer» A. Oxygen
Explanation: The generation and maintenance of all our life processes are supported by four basic components: carbohydrates, water, proteins and energy. Most scientists agree that oxygen is actually the over-riding key ingredient in all four of these life components. 80% of all our metabolic energy production is created by oxygen! The human body is largely composed of oxygen. All metabolic processes in the body are regulated by oxygen.
4.2k
0
Do you find this helpful?
38

View all MCQs in

Biology (GK)

Discussion

No comments yet