Human teeth are almost as hard as rocks!
47
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
The human brain doesn't stop developing until about 25 years old.
102
A study in the UK states that men need at least two "guys nights out" each week to stay healthy.
5
Midgets and dwarfs almost always have normal sized children.
54
A man's beard grows fastest when he anticipates sex.
239
The skin on your lips is 200 times more sensitive than your fingertips.
345