Tuesday 13 September 2011

3.9a

3.9 recall the structure and function of the male and female reproductive systems
Male reproductive organ
Bladder – store urine
Testis – process of meiosis à produce gametes called sperm cells
Epididymis – store sperm cells
Vas Deferens – carry sperm cells to penis during sexual stimulation,
tube pulses and contracts
Prostate – adds 20 – 30% to volume of semen, contain sugars
and it is alkaline à neutralise the acidic secretion in the vagina
Seminal vesicles – also produce sugar based secretion, alkaline, about 70% of semen
Urethra – join the left and right testes, takes semen down the penis, exit for urine
Penis – carry sperm cells into the vagina during sexual intercourse

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