What are the most abundant elements in the body?

1 Answer
Sep 11, 2016

Oxygen carbon and hydrogen are most abundant elements in human body.


Almost 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium. All are necessary for life.