If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
You're born with 300 bones, but when you get to be an adult, you only have 206!
17
One quarter of the human brain is used to control the eyes.
43
By weight, Bone is five times stronger than steel.
417
Wearing tight pants can lead to impotence in men.
120
Banging your head against a wall uses 150 calories an hour.
57
Tap water in Canada is held to a higher health standard than bottled water.
19