This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General, Subject name: Physiology
[{'content': 'Total body water is - \nSelect and explain. \nA. 40% of body weight, B. 20% of body weight, C. 10% of body weight, D. 60% of body weight', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., 60% of body weight Extracellular fluid (14 litres)* 20% of body weight* 33% of total body waterIntracellular fluid (ICF)Plasma * 3.5 litres* 5% of body weight* 8% of total body water* 25% of ECF* 28 litres* 40% of body weight* 67% of total body waterInterstitial fluid * 10.5 litres* 15% of body weight* 25% of total body water* 75% of ECF Total body water (42 litres)* 60% of body weight", 'role': 'assistant'}]