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': 'At rest, blood flow is maximum in: March 2012 \nSelect and explain. \nA. Hea, B. Kidney, C. Brain, D. Skin', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans: B i.e. KidneyAt rest, the distribution of cardiac output (5 L/ min) is roughly about follows:Hea has 5%Kidney has 25%Brain has 14%Skin has 7%', 'role': 'assistant'}]