Human teeth are almost as hard as rocks!
47
The lifespan of a tastebud is ten days.
130
Wearing tight pants can lead to impotence in men.
120
It is almost impossible to sneeze with your eyes open. It is a defense mechanism that has evolved to protect our eyes from bacteria and debris.
164
Common pesticides such as roach, termite, and flea insecticide can be found in the bodies of the majority of Americans.
11
During a typical human life span, the human heart will beat approximately 2.5 billion times.
21
It takes about 20 seconds for a red blood cell to circle the whole body.
102
By weight, Bone is five times stronger than steel.
417