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
Held in farts enter your bloodstream and are bad for your body.
26
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
There are about 1,400 different species of bacteria in your belly button.
10
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
