Testes - Produces sperm cells and releases the male hormone testosterone, Penis - Allows urine and semen to pass out of the man's body, Scrotum - A bag of skin that contains the testes, Seminal vesicle - Produces fluids that mix with sperm cells to make semen, Vas deferens - Carries sperm cells from the testes to the urethra, Urethra - A tube that carries urine and semen. It has a ring of muscle to keep them separate, Epididymus - Matures the sperm made in the testes,

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