Fidgeting can burn about 350 calories a day.
201
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
It takes about 20 seconds for a red blood cell to circle the whole body.
102
After an 11 year study, cell phones were shown not to increase chances of getting cancer.
14
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
There are 206 bones in the human body!
-17
The largest cell in the human body is the female egg and the smallest is the male sperm.
682