Volume of ICF in body
In a 70 kg man 60 % of body weight is due to water Of that water 2/3 rd is present intra cellularly Ref:Guyton and Hall textbook of medical physiology 12th edition,page number: 45,46,47
0.2*body wt
0.4*body wt
0.6*body wt
0.8*body wt
General physiology