Every year your body replaces 98% of your atoms.
119
Your thumb is about the same size as your nose.
124
When you take a step, you are using up to 200 muscles.
886
Enamel is hardest substance in the human body.
61
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
The human body contains over a billion miles of DNA.
147
Poor eyesight (myopia) is associated with higher IQ.
232