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': 'BMR depends on: \nSelect and explain. \nA. Body weight, B. Surface area, C. Amount of adipose tissue, D. Amount of lean body mass', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Surface area', 'role': 'assistant'}]