NCBI Bookshelf. The male sex organs allow men to have children. But they have other important jobs, too: The sex organs produce hormones, control the process of boys maturing into grown men, and make sex and sexual pleasure possible. Like women, men have external and internal sex organs. The external male sex organs include the penis and the scrotum. The main purpose of the external sex organs is to allow for sexual intercourse and sexual pleasure. The structure of the penis is similar to that of the female clitoris, apart from the fact that the clitoris is mostly inside the body. During the time in the womb, they both develop from the same organ.
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Penetration of the anus
Reproduction is the process by which organisms make more organisms like themselves. But even though the reproductive system is essential to keeping a species alive, unlike other body systems, it's not essential to keeping an individual alive. In the human reproductive process, two kinds of sex cells, or gametes pronounced: GAH-meetz , are involved.
What jobs do the external sex organs do?
Sexual intercourse is sex with penetration of the vagina or anus by a hard penis. A man who is aroused can get an erection. The penis swells with blood. It gets bigger and harder and it rises up.
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