Penis - Allows urine and semen to pass out of the man's body., Testis - Produces sperm cells and releases the male sex hormone, testosterone., Urethra - A tube that carries urine and semen. It has a ring of muscle to keep these fluids separate. , Scrotum - A bag of skin that contains the testes., Gland - Produces fluids that mix with sperm cells to make semen., Sperm duct - Carries sperm cells from the testes to the urethra. ,

Functions of the parts of the male reproductive system

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