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
If you hold farts in during the day, they'll just come out when you sleep.
16
Your body is creating and killing about 2.4 million red blood cells per second.
17
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
22
Your heart will pump about 212 million liters in its lifetime.
26
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
You see your nose at all times, your brain just chooses to ignore it.
30
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515