# Which element has the second most % in human body? with Answer - Everyday Science Mcqs | TestPrep

> Solved MCQ: Which element has the second most % in human body? Correct Answer: D. Carbon 18%. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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# Which element has the second most % in human body?

Direct Answer & Quick Reference

The correct option is **D. Carbon 18%**.

Carbon 18% is the second most % element in human body. All living organisms contain carbon, which forms the basis for all of the organic molecules in the body. Carbon is the second...

A. Oxygen 65%

B. Calcium 75%

C. Hydrogen 10%

D. Carbon 18% **(Correct Answer)**

✨ Explain with AI

Verified Key: D. Carbon 18%
Solved by 5,739+ students

**Detailed Explanation & Reference:**

Carbon 18% is the second most % element in human body. All living organisms contain carbon, which forms the basis for all of the organic molecules in the body. Carbon is the second most abundant element in the human body, accounting for 18% of body weight.

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