Male and female reproductive system The male reproductive system consists of a number of sex organs that play a role in the process of human reproductive These organs are located on the outside of the body and within the pelvis The main male sex organs are the penis and the testicles which produce semen and sperm which as a part of sexual intercourse fertilize an ovum in the female s body the fertilized ovum zygote forms into a fetus which is later born as an infant Penis is a copulatory organ which has long shaft and an enlarged bulbous shape end referred as the glans penis that support the foreskin It is anatomically erected when stimulated because of erectile tissues filled with blood Erection of the penis enables it to penetrate the vagina during sexual It has 2 main function to pass urine out of the man s body to pass semen into the vagina of a woman during sexual intercourse testicles also known as testicles are the male gonads in responsible of the production of sperm and testosterone