According to a 1950s survey, 75% of men ejaculate within two minutes of penetration.
109
In one day, adult lungs move about 10,000 litres of air.
11
You inhale about 700,000 of your own skin flakes each day.
29
Drinking watermelon juice before a workout helps reduce muscle soreness.
21
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
Human hair and fingernails continue to grow after death.
7
Lack of water is the #1 trigger of daytime fatigue.
148