Your thumb is about the same size as your nose.
124
The human brain is insensitive to pain.
76
By weight, Bone is five times stronger than steel.
417
Medical research has found substances in mistletoe that can slow down tumor growth.
32
You have no sense of smell when you're sleeping!
72
Every year your body replaces 98% of your atoms.
119
Cigarette smoke contains 4,800 chemicals, 69 of which cause cancer.
145