<prompt> ECF is how much part of total body water -One thirdHalfTwo thirdNone  <response>: Ans. is a i.e.. One third Extracellular fluid 14 litreso 20 of body weighto 33 of total body waterExtracellular fluid 14 litreso 20 of body weighto 33 of total body wraterIntracellular fluid ICFPlasmao 3.5 litreso 5 of body weighto 8 of total body watero 25 of ECFo 28 litreso 40 of body weighto 67 of total body waterInterstitial fluido 10.5 litreso 15 of body weighto 25 of total body watero75 of ECF Total body water 42 litreso 60 of body weight 