Every year your body replaces 98% of your atoms.
119
Your heart will pump about 212 million liters in its lifetime.
26
Poor eyesight (myopia) is associated with higher IQ.
232
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Enamel is hardest substance in the human body.
61
The average person's skin weighs twice as much as their brain.
131
Chewing gum boosts your brain power.
285
The human brain uses approximately as much energy as a 10 watt light bulb.
120