The human brain is insensitive to pain.
76
There are 206 bones in the human body!
-17
Enamel is hardest substance in the human body.
61
One out of 20 people have an extra rib.
66
Children are poisoned most frequently by eating harmful plants.
13
A woman's sense of smell is most sensitive during ovulation.
34
Every hour one billion cells in the body must be replaced.
17
Sitting straight upright in your chair is bad for your back. You should instead slouch at an angle of 135 degrees.
10