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': 'Exercise cause which of the following \nSelect and explain. \nA. Increased blood flow to the muscles after half minute or one minute, B. Increase in cerebral blood flow due to increase in systolic blood pressure, C. Increase in body temperature, D. Decreased O2 consumption', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]