When you take a step, you are using up to 200 muscles.
886
Your heart rate can rise as much as 30% during a yawn.
69
Your skeleton keeps growing until you are about 35, then you start to shrink.
74
Every time you sneeze some of your brain cells die.
113
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
India used to be the richest country in the world until the British invasion in the early 17th Century.
37
It is possible to go blind from smoking too heavily.
50
The human brain is insensitive to pain.
76