Question

By mass, most of human body is composed of what?


nitrogen

carbon

water

hydrogen



I think the answer is water. Am I correct?

http://www.madsci.org/posts/archives/may2000/958588306.An.r.html

so am I correct in saying that it is water? I don't need percentages.

Well if it's over 50% that means it makes up the biggest part.