This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, 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', 'role': 'assistant'}]