What is the composition of water content in human body?

Answer 1

The human body pretty much has everything in it. If you're talking about the elemental composition in the body, then I'll list off some of the main ones. Keep in mind this is an estimate, it's a little different for each person.

Oxygen 65%

Carbon 18%

Hydrogen 10%

Nitrogen 3%

Calcium 1.5%

Phosphorus 1.2%

(those are 99% of the mass of the human body)

The human body is mostly water. Human cells consist of 65-90% water.

See wikipedia for more info:

http://en.wikipedia.org/wiki/Composition_of_the_human_body

This page goes into major detail:

http://web2.iadfw.net/uthman/elements_of_body.html

(Apparently people even have, uranium, Mercury, arsenic, and lead in them). Tissue spread:

I am a male (26 yrs) with a relatively normal body composition (82,6 kg) and I calculated my body content from DEXA scanning, under water weighing and BIA, and the results were: Bone mass: 4,6 % (3,8 kg)

Fat mass: 15,0 % (12,4 kg)

Lean body mass: 80,4 % (66,4 kg)

Answer 2

70%