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
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
It takes about 20 seconds for a red blood cell to circle the whole body.
102
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Your thumb is about the same size as your nose.
124