Your heart will pump about 212 million liters in its lifetime.
26
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Chewing gum boosts your brain power.
285
When you take a step, you are using up to 200 muscles.
886
Enamel is hardest substance in the human body.
61
Yawns are more contagious among people with closer relationships.
163