This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Physiology
[{'content': 'Capacitance of sperms takes place in \nSelect and explain. \nA. Seminiferous tubules, B. Epididymis, C. Vas deference, D. Uterus', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Sperm is the male reproductive cell in the sexual reproduction. Capacitation is the penultimate step in the maturation of mammalian spermatozoa and is required to render them competent to feilize an oocyte. This step is a biochemical event; the sperm moves normally and looks mature prior to capacitation. In vivo, this step typically occurs after ejaculation, in the female reproductive tract. Ref: Ganong&;s review of medical physiology; 24th edition; page no:-422', 'role': 'assistant'}]