What are the four major elements found in the chemicals that comprise the human body?
A)nitrogen,oxygen,calcium,sodium
B)hydrogen,carbon,phosphorus,calcium
C)carbon,hydrogen,oxygen and nitrogen
D)oxygen,nitrogen,potassium,calcium
E)potassium,phosphorus,sodium,hydrogen

Question

Quizplus · Accepted Answer

The four major elements found in the chemicals that comprise the human body are carbon, hydrogen, oxygen, and nitrogen. These four elements make up about 96% of the body's mass. Choice A includes nitrogen and oxygen, but misses carbon and hydrogen. Choice B includes carbon and hydrogen, but misses nitrogen. Choice D includes nitrogen and oxygen but also includes potassium which is a minor element in the human body. Choice E includes phosphorus which is also a minor element in the human body.

What Are the Four Major Elements Found in the Chemicals