*Usually, an average human being has 100000 hairs on the head. Everyday 50 to 100 hairs are lost from our head but they are replaced the same day.

*The time taken to grow a nail from the base to the extreme tip is usually 6 months.

*A baby has 94 bones more than an adult.

*On an average, a human being blinks 25 times in a minute. Thus, it's approximately 6.205.000 times in a year!

*Our body contains the following: Sulphur, which is enough to kill all the fleas present in a dog; carbon, which is enough to make 900 pencils; potassium, which is enough to fire a toy cannon; fat, which is enough to make 7 bars of soap, phosphorus, which is enough to make 2,200 match-heads; and water, which is enough to fill a tank of ten-gallon capacity

*Do you know that every square of human skin has 32 million bacteria on it?

*A normal heart beats around 70 times in a minute and each time it beats, it pumps about a cupful of blood

*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.

*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

*Every person has a unique tongue print

*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. :