One human hair can support 3 ounces.
191
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
The human brain has the capacity to store everything that you experience.
4k
Chewing gum boosts your brain power.
285
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Your body is creating and killing about 2.4 million red blood cells per second.
17
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118