When you take a step, you are using up to 200 muscles.
886
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Your body is creating and killing about 2.4 million red blood cells per second.
17
Poor eyesight (myopia) is associated with higher IQ.
232
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
Enamel is hardest substance in the human body.
61
One human hair can support 3 ounces.
191
The human brain uses approximately as much energy as a 10 watt light bulb.
120