The human body contains over a billion miles of DNA.
147
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
There are more bacteria in your mouth than there are people in the world.
60
According to a 1950s survey, 75% of men ejaculate within two minutes of penetration.
109
Men are twice as likely to be binge drinkers than women.
87
Flu shots only work about 70% of the time.
18
Your body is creating and killing about 2.4 million red blood cells per second.
17