Total body water by demographic

Total body water (TBW) is 55-60% of lean body mass in adult men and 45-50% in adult women.
Most tissue: 70-80% water
Bone: 20% water
Fat: 10-15% water

TBW is less in obese individuals

TBW decreases with age:
Neonate 80% TBW
Six months 70%
Five years 65
Adult man 60
Adult woman 50
Elderly (over 65 years) 40-50

Видео Total body water by demographic канала MedLecturesMadeEasy