The elements that make up the body are: Carbon Hydrogen Oxygen Phosphorous Potassium Iodine Nitrogen Sodium Calcium Iron Magnesium along with traces of copper, selenium, cobalt
From the food they eat, the liquids they drink, and the air they breathe.
N, O, C, and H
About 97 percent of the human body consists of the elements hydrogen and oxygen in the form of the very common compound that English-speaking people call "water". (H2O)
Hydrogen, carbon and oxygen make up most of it.
The four main elements that comprise over 95% of the human body are: Carbon, Phosphorus, Oxygen and Hydrogen.