If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
More people use blue toothbrushes, than red ones!
66
Wearing tight pants can lead to impotence in men.
120
The chemicals indole and skatole, which help to account for the particular smell of human feces, are used as ingredients in perfume!
-3
By weight, Bone is five times stronger than steel.
417
Human teeth are almost as hard as rocks!
47