According to a 1950s survey, 75% of men ejaculate within two minutes of penetration.
109
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Every human spent about half an hour as a single cell.
144
The average sperm cell swims at 8 inches per hour.
4
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.
76