If your DNA was stretched out it would reach to the moon 6,000 times.
256
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
There are about 1,400 different species of bacteria in your belly button.
10