human male reproductive system
Image Caption : Male Pelvis Showing Reproductive System : The male reproductive system includes the penis, testes, duct system (consisting of epididymis and vas deferens), and accessory glands, which include seminal vesicles and the prostate. Testosterone is the principal sex hormone in males, responsible for the maturation of sex organs and production of sperm, as well as secondary sexual characteristics such as growth of body and facial hair, increased muscle mass, and a deepening voice; testosterone also plays other metabolic roles in the body and is produced in small amounts by females.
The male reproductive system consists of a number of sex organs that form a part of the human reproductive process. In this type of reproductive system, these sex organs are located outside the body, around the pelvic region.
The main male sex organs are the penis and the testicles which produce semen and sperm, which, as part of sexual intercourse, fertilize an ovum in the female's body; the fertilized ovum (zygote) develops into a fetus, which is later born as an infant.
Corresponding equivalent among females is the female reproductive system.
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