When you take a step, you are using up to 200 muscles.
886
Your thumb is about the same size as your nose.
124
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266
The human body contains over a billion miles of DNA.
147
Yawns are more contagious among people with closer relationships.
163
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
The human brain doesn't stop developing until about 25 years old.
102