MALE REPRODUCTIVE SYSTEM

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biology

3º e.s.o.

male reproductive system

Âge recommandé: 14 ans

29 fois fait

Alba Castellano Navarro

Spain

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Compléter MALE REPRODUCTIVE SYSTEMVersion en ligne MALE REPRODUCTIVE SYSTEM par Alba Castellano Navarro 1 The are two oval - shaped organs that are located inside a sac of skin called the . Each testicle is made up of millions of where and testosterone are made . The vas deferens transport sperm from the to the . The is a duct that is shared by the reproductive system and the excretory system . Its function is to expel semen and urine from the body . The is a long , coiled tube attached to the top of each testicle . This is where the sperm are stored while they mature . The vesicles are behind the urinary bladder . They empty into the end part of the vasa deferentia . Produce fluid . This fluid is rich in a carbohydrate called fructose - the main energy source of sperm . gland is underneath the bladder , surrounding the urethra . It produces fluid . The function of this fluid is to activate sperm and neutralise the acidity of female mucous secretions . ? s glands are at the base of the penis . They secrete a lubricating fluid that neutralises the acidity of the urethra before semen passes through it . The consists of connective tissue with large spaces that fill with blood when the is erect . It has two corpora cavernosa and one corpus spongiosum . The corpus spongiosum widens at the end , forming the . The penis is responsible for depositing in the .