The human body contains over a billion miles of DNA.
147
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Your thumb is about the same size as your nose.
124
A person can live without food for about a month, but only about a week without water.
156
In one day, adult lungs move about 10,000 litres of air.
11
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89