Your thumb is about the same size as your nose.
124
The average sperm cell swims at 8 inches per hour.
76
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
Your body is creating and killing about 2.4 million red blood cells per second.
17
When you take a step, you are using up to 200 muscles.
886
All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266