This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous System, Subject name: Physiology
[{'content': 'Blood supply of brain- \nSelect and explain. \nA. 1500 ml/min, B. 2000 ml/min, C. 750 ml/min, D. 250 ml/min', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., 750 ml/min * The cerebral blood flow (CBF) is about 750 ml/min (15% of total cardiac output), or 54 ml/100gm brain tissue per minute.", 'role': 'assistant'}]