By weight, Bone is five times stronger than steel.
417
There are 206 bones in the human body!
-17
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
A study in the UK states that men need at least two "guys nights out" each week to stay healthy.
5
During a typical human life span, the human heart will beat approximately 2.5 billion times.
21
It takes 17 muscles to smile, 43 to frown.
65
It is possible to go blind from smoking too heavily.
50