By Weight, Which Element is the Most Plentiful in the Human

Question

By weight, which element is the most plentiful in the human body?
A) sulfur
B) sodium
C) oxygen
D) potassium
E) carbon

Accepted Answer

Oxygen is the most plentiful element in the human body by weight, making up approximately 65% of the body's total weight. It is a key component of water and many organic molecules that make up the body, including carbohydrates, proteins, and lipids.