Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download Male reproductive system
Document related concepts
Transcript
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
