Amazing Facts about your body!!!!!!!

X-Man · **Amazing Facts about your body!!!!!!! -** 08-04-2006, 11:09 AM

.... 50,000 of the cells in your body will die and be replaced with new cells, all while you have been reading this sentence!

.....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.

..... Scientists have counted over 500 different liver functions.

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.

.....The structural plan of a whale's, a dog's, a bird's and a man's 'arm' are exactly the same.

...... The world`s first test-tube twins were born in June 1981.

....There are 45 miles of nerves in the skin of a human being.

.....In a year, a person`s heart beats 40,000,000 times.

..... Most people blink about 25 times a minute.

.....Each square inch of human skin consists of twenty feet of blood vessels.

.....Nerve impulses to and from the brain travel as fast as 170 miles per hour.

..... Your stomach has to produce a new layer of mucus every two weeks otherwise it will digest itself.

.....Your left lung is smaller than your right lung to make room for your heart.

.....You use an average of 43 muscles for a frown.

.....You use an average of 17 muscles for a smile.

..... Every two thousand frowns creates one wrinkle.

.....The average human blinks his eyes 6,205,000 times each year.

..... The average human produces a quart of saliva a day or 10,000 gallons in a lifetime.

.....Every person has a unique tongue print.

.....The average human's heart will beat 3000 million times in their lifetime.

.....The average human will pump 48 million gallons of blood in their lifetime.

.....You burn 26 calories in a one minute kiss.

.....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

.... Among the first known "dentists" of the world were the Etruscans. In 700 BC they carved false teeth from the teeth of various mammals and produced partial bridgework good enough to eat with.

..... Ophthalmic surgery was one of the most advanced areas of medicine in the ancient world. Detailed descriptions of delicate cataract surgery with sophisticated needle syringes is contained in the medical writings of Celsus (A.D. 14-37)

..... A sneeze zooms out of your mouth at over 100 m.p.h.
If you were freeze-dried, 10% of your body weight would be from the microorganisms on your body.

.....According to the World Health Organization, there are approximately 100 million acts of sexual intercourse each day.

..... Your ears and nose continue to grow throughout your entire life.

.....When you eat meat and drink milk in the same meal, your body does not absorb any of the milk's calcium. It is best to have 2 hours between the milk and meat intake.

.....Only humans and horses have hymens.

.....The tooth is the only part of the human body that can't repair itself.

.....Every human spent about half an hour as a single cell.

......One human brain generates more electrical impulses in a single day than all of the world’s telephones put together.