The average sperm cell swims at 8 inches per hour.
76
During menstruation, the sensitivity of a woman's middle finger is reduced.
47
A study in the UK states that men need at least two "guys nights out" each week to stay healthy.
5
It takes approximately 12 hours for food to entirely digest.
93
The tongue is the strongest muscle in the human body.
50
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22