How much hydrogen is in human bodies?

Answer by  skinnybob (248)

Human bodies are made of atoms. We have oxygen, carbon and hydrogen atoms floating around in our bodies. An 'average' person has seven billion billion billion ( 7 x 10 with 27 zero's) atoms of which two-thirds is hydrogen. That two thirds equals about 4. 7 x 10 with 27 zeros's. In terms of elements, hydrogen accounts for about 10%.

Answer by  stressedone (166)

The human body is made up of about ten percent of the chemical element hydrogen. It is the lightest chemicl element. Oxygen and carbon are the only other elemets more prevelant in the body