Question

multiple choice question
what is the most abundant compound in the human body, accounting for two - thirds of the weight of the body?

• o protein molecules

o sodium chloride (nacl)
o water (h₂o)
o calcium (ca⁺²)

Explanation:

Water is the most abundant compound in the human body, making up about two - thirds of body weight. It is essential for many physiological processes. Protein molecules, sodium chloride, and calcium are important components but not as abundant as water.

Answer:

Water (H₂O)