Matching Pairs Male ReproOnline version Male repro anatomy and functions by Ashlin Kendrick 1 GnRH 2 Urethra 3 Sheath 4 Cowper's (bulbourethral) gland 5 FSH 6 Androgens 7 Testicles 8 LH 9 Seminal vesicles 10 Urinary bladder 11 Sigmoid flexure 12 Scrotum 13 Retractor muscle 14 Vas deferens 15 Penis 16 Prostate gland 17 Epididymis pulls the penis back into the body covers and protects the penis when it is relaxed stores urine; has no reproductive function nourishes the sperm with a thick, milky fluid stores, concentrates, and transports sperm Stimulate the development, growth, and activity of reproductive parts; trigger puberty, trigger the development of male secondary sex characteristics, and also function in the production of sperm stimulates the anterior pituitary gland in the brain to release both FSH and LH, which are essential to reproduction. extends the penis outside the body during mating causes the interstitial cells in the testicles to secrete androgens transports sperm from the epididymis to the urethra releases fluid into urethra to cleanse and neutralize it to allow sperm to survive in it carries testicles and regulates their temperature produce seminal fluid that transports and protects the sperm affects the tubules in the testicles, causing them to produce sperm. deposits semen in the female reproductive tract and excretes urine from the body produce sperm and hormones associated with reproduction carries sperm and urine to the penis
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