If you're seeing this message, it means we're having trouble loading external resources on our website.

Jeżeli jesteś za filtrem sieci web, prosimy, upewnij się, że domeny *.kastatic.org i *.kasandbox.org są odblokowane.

Główna zawartość

Część 19: Fizjologia układu rozrodczego

O tym dziale

Our genes are survivors. Some of your genes are exactly the same as the ones your great-great-great-grandmother had! But how did they get to you? Starting with sexual reproduction and ending with the development of a baby, we’re going to journey from our own microscopic beginning to a fully formed infant entering the world.