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 mass. Carbon, which is often associated with life, only makes up about 18% of the body's mass.