Page 15 - MakingABaby
P. 15

 Teeny-tiny sperm travel from the testicles through the penis, and into the vagina. They use their wriggly tails to swim.
If an egg is travelling to the womb through a tube from one of the ovaries, sperm might bump into it.
The first sperm to get into the egg is the one that helps turn the egg into a baby.
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