If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
Every year your body replaces 98% of your atoms.
119
The human body contains over a billion miles of DNA.
147
The human brain doesn't stop developing until about 25 years old.
102
Your thumb is about the same size as your nose.
124
Enamel is hardest substance in the human body.
61
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Poor eyesight (myopia) is associated with higher IQ.
232