15 Human Body Factoids

Think you know your own body? Well consider these unusual facts about the human body.

1. In one hour, your heart works hard enough to produce the equivalent energy to raise almost 1 ton of weight 1 yard off the ground.
2. Scientists have counted over 500 different liver functions.
3. In 1 square inch of skin there lies 4 yards of nerve fibers, 1300 nerve cells, 100 sweat glands, 3 million cells, and 3 yards of blood vessels.
4. The human skin contains 45 miles of nerves.
5. An average person’s heart beats 40,000,000 times in a year.
6. Nerve impulses to and from the brain can travel as fast as 170 miles per hour.
7. The human stomach has to produce a new layer of mucus every two weeks or else it will digest itself.
8. Happy people look younger. Whyt? Because every two thousand frowns creates one wrinkle.
9. The average human blinks his eyes 6,205,000 times each year.
10. Remember the movie alien and all that drool? Well, humans aren’t too far behind. The average human produces a quart of saliva a day or 10,000 gallons in a lifetime.
11. Just like fingers, every human being has a unique tongue print.
12. The average person’s heart will beat approximately 3000 million times in their lifetime and pump 48 million gallons of blood in their lifetime.
13. The average human body contains enough: Sulphur 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, Phosphorus to make 2,200 match heads, and enough Water to fill a ten gallon tank.
14. According to the World Health Organization, there are approximately 100 million acts of sexual intercourse each day.
15. One human brain generates more electrical impulses in a single day than all of the world’s telephones put together.