Journey to fertilisation

Journey to fertilisation

Storyboard Text

  • First the sperm must travel through the vagina, looking for the egg. They then enter the cervix.
  • Through the cervix, the sperm travel to and enter the uterus. From the uterus, they go into the fallopian tube to find the egg.
  • The egg is released from the ovary and the sperm that have reached the egg try to penetrate its wall.
  • Only 1 out of the 300 million sperm that entered the vagina s can enter the egg.
  • Once the sperm and egg fuse, they become a cell called a zygote.
  • The zygote then becomes an embryo, which becomes a baby.
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