The average female will have 3.3 pregnancies in her life.
49
According to one report, it would take 800 marijuana joints to kill a person - but the cause of death would be carbon monoxide poisoning.
176
The average sperm cell swims at 8 inches per hour.
76
Your hair grows faster in the morning than at any other time of day.
91
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
The human brain is insensitive to pain.
76
During menstruation, the sensitivity of a woman's middle finger is reduced.
47
There are about 1,400 different species of bacteria in your belly button.
10