One quarter of the bones in your body are in your feet!
36
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
Your stomach produces a new layer of mucus every two weeks so that it doesn't digest itself.
160
According to a 1950s survey, 75% of men ejaculate within two minutes of penetration.
109
Human teeth are almost as hard as rocks!
47
You mostly breathe from only one nostril at a time!
75