男女生殖器官和生殖生理
1、 What’s your opinion of spermatorrhea in male
答案: It is just a normal physiological phenomenon
2、 What is spermatogenesis
答案: The process in which spermatogonium forms sperm
3、 Sperm are mainly stored in the
答案: ductus deferens and epididymis
4、 which one of the following cell secrete androgen
答案: Leydig cell
5、 What’s your opinion of masturbation