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Reproductive system Male reproductive system Male reproductive system • Testis produces sperm and sex hormones • Epididymis & vas deferens store sperms • Ejaculatory ducts transport sperms to urethra • Urethra within the penis expel sperms to the outside • Penis organ of copulation Male reproductive system • Semen: sperms + fluid • Three glands: Seminal vesicles --- nutrient Prostate gland --- alkaline fluid Bulbourethral glands --- lubricating fluid Male reproductive system • Paired testes produce sperms Female reproductive system Female reproductive system • Ovary produces egg and sex hormones • Oviducts store eggs • Uterus store developing embryo • Vagina receives penis during copulation and serves as birth canal Female reproductive system • Ovaries produce eggs Gonads • Specialized organs for producing gametes Male ---Testes ---- sperms Female --- Ovaries ---- eggs Gametes • only one egg per month • several hundred millions sperms per ejaculation only one sperm enters an egg