The largest cell in the human body is the female egg and the smallest is the male sperm.
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The average sperm cell swims at 8 inches per hour.
76
According to a 1950s survey, 75% of men ejaculate within two minutes of penetration.
109
There's a children's book titled "Where Willy Went" detailing the adventures of a sperm.
22
The average sperm cell swims at 8 inches per hour.
4
Every human spent about half an hour as a single cell.
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