Only humans shed emotional tears.
331
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
The human eye blinks an average of 4,200,000 times a year.
233
It takes approximately 12 hours for food to entirely digest.
93
You can't tickle yourself.
29