Jumat, 24 Mei 2013

Reproduction

Education

Reproduction system male and female product ovum and sperm. Sperm products from a testis. A man can produce sperm until 250 million sperm. Ovum produce form ovarium. After puberty, ovum is free every month. It called ovulasi.

Million of sperms leave penis during sex happenn and save in vagina. In vagina, sperm go to the cervix untilend in tuba fallopy. Five hundred sperm fertilized, the ovum are fertilize will be rip a part. After rip a part, ovum, more womb. In womb, ovum discover in womb wall and makes embiro.

Fertilisation happened in tuba fallopy out part. After that, sperm reach ovum. Sperm break trough to out coat ovum. That sperm give a half information genetic to produce new individu.

On pergancy time, around 38 week, the get babby get ready to birth, the head and some body else will out form mother's body.