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Fun Facts of the Human Body!
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 FUN FACTS ABOUT THE HUMAN BODY!  Click for Fun Facts of Digestion!
What causes our stomach to growl? GRRRRR... Stomach growling occurs when the stomach receives signals from your brain to begin digestion but the stomach is empty. Your brain might sense you're running low on energy (glucose) or even seeing or smelling something you want to eat can get things going. The motion of the stomach muscles begins, but the organ is hollow. The movement of the muscles mixing the acids of the stomach in the hollow space of the stomach produces vibrations we hear as growling, or rumbling, or gurgling. *Strung end to end, your blood vessels could circle the globe 2 1/2 times!  *What is the Strongest Muscle in the Human body? *Human's have over 656 Muscles in their entire body! WOW WEE!  WOW WEE!  Eye muscles are the busiest muscles in the body.
Scientists estimate they may move more than 100,000 times a day! *Muscles can't push. They pull. 
*Muscles often work in pairs so that they can pull in different or opposite directions. * Your big toes have two bones each while the rest have three. * There are about one trillion bacteria on each of your feet. * A pair of human feet contains 250,000 sweat glands. 
* The acid in your stomach is strong enough to dissolve razor blades. *You get a new stomach lining every 3 days 
* The human brain cell can hold 5 times as much information as the Encyclopedia Britannica. 
* The enamel in your teeth is the hardest substance in your body. * Your teeth start growing 6 months before you are born. 
 *Your thumb is the same length of your nose.
*A sneeze blows air(and boogers) out of your nose at 100 mph!!  EWWWWWWW !!!!!!!
*Only 7% of the population are LEFTIES. The sound of Knuckles cracking is  generated by imploding synovial fluid! *Both humans and giraffes have seven vertebrae in their necks. The ones giraffes have are just MUCH longer.
*About 10,000,000 people have the same Birthday as YOU!
Mrs. Smith's Health & PE / SWIM TEAM
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2900 Klockner Rd.
Hamilton, NJ 08690
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