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
Total body water is ? 
Select and explain. 
A. 40% of body weight, B. 20% of body weight, C. 10% of body weight, D. 60% of body weight
D: 60% of body weight
Answer: D: 60% of body weight 
Explanation: Ans. is d i.e., 60% of body weight