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Reproductive System The reproductive system occurs in both male and female. Like in plants it is the male gamete that needs to be transferred to the female gamete. The female gamete is fertilised and develops inside the mother's body so the reproductive systems of both males and females are highly adapted for this. Production of sperm is called spermatogenesis. It occurs at puberty and for the rest of there life. It takes place in the gonads of the male - the testes. Over 100 million can be made in one day! Each testis is composed of numerous tiny tubes called seminiferous tubules. It is in the walls of these tubules that sperm production actually takes place. Development begins in the outer side of the wall in a layer of cells called the germinal epithelium. As the immature sperm cells become more mature they move to the inner side and break way into the lumen of...

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