Total body water is
In the average young adult male, 18% of the body weight is protein and related substances, 7% is mineral, and 15% is fat. The remaining 60% is water.(REF: GANONG'S REVIEW OF MEDICAL PHYSIOLOGY 23rd EDITION page no.2)
40% of body weight
20% of body weight
10% of body weight
60% of body weight
General physiology