Your heart will pump about 212 million liters in its lifetime.
26
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
Poor eyesight (myopia) is associated with higher IQ.
232
The human brain has the capacity to store everything that you experience.
4k
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99