<prompt> Total body water differences between male and female is not seen at the age ofAbove 60 years40-60 years10-18 years18-25 years  <response>: By weight, the average human adult male is approximately60 water and the average adult female is approximately 55. ... Most of animal body water is contained in various body fluids. These include intracellular fluid; extracellular fluid; plasma; interstitial fluid; and transcellular fluid 45,46,47 