What the human body is made up of?

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. read more

The human body, like all organic compounds, contains a significant amount of carbon. Oxygen, carbon, hydrogen, nitrogen, calcium and phosphorus are the elements that make up 99 percent of the human body's mass. read more

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 11 are necessary for life. read more

“The human body is made up of a long list of ‘ingredients’, with the most abundant being oxygen (65% by mass), carbon (18%), hydrogen (10%), nitrogen (3%), calcium (1.4%) and phosphorous (1.1%),” Elisabeth Ratcliffe, of the Royal Society of Chemistry (RSC) wrote in an email. read more