Sperm's journey to the egg cell
Each month, a female's ovaries release one mature ovum or egg. This egg is called Angelina.
Now for Bob to become a real human being, it must be rescued by cells called... sperm.
However, to be able to rescue Bob the sperm cells must conquer a lot of different tasks to see who is the best sperm cell and deserves to rescue Angelina.
They travel into the vagina towards the fallopian tube, this takes a long time and is a race against the clock. Meaning after 30 minutes once the sperm has reached the egg cell
Bob is first to reach Angelina, therefore Angelina lets Bob in, keeping the other slower sperm cells out.
Bob and the winning sperm cell lived happily ever after, together as one embryo
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