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': 'Spermatogenesis occurs at: \nSelect and explain. \nA. Body temperature, B. Temperature lower than core body temperature, C. Temperature higher than core body temperature, D. Temperature does not play a role', 'role': 'user'}, {'content': "Answer: B \nExplanation: Spermatogenesis requires a temperature considerably lower than that of the interior of the body. Ref: Ganong's Review of Medical Physiology, 22nd Edition, Page 427; Guyton and Hall - Textbook of Medical Physiology, 10th Edition, Page 920", 'role': 'assistant'}]