A cough releases an explosive charge of air that moves at speeds up to 60 mph.
A sneeze can exceed the speed of 100 mph.
Each square inch of human skin consists of twenty feet of blood vessels. (WOW)
It takes 17 muscles to smile --- 43 to frown. Moral of the story- frowning gives your face a better workout.
The average human body contains enough: iron to make a 3 inch nail, sulfur to kill all fleas on an average dog, carbon to make 900 pencils, potassium to fire a toy cannon, fat to make 7 bars of soap, phosphorous to make 2,200 match heads, and water to fill a ten-gallon tank.
The Neanderthal's brain was bigger than yours is. And look where it got them!
Aren't our bodies amazing?
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