Well I came across it and found interesting and would like to share with u all..........
Nerve impulses to and from the brain travel as fast as 170 miles per hour.
The human brain cell can hold 5 times as much information as the Encyclopedia Britannica.
The brain is much more active at night than during the day.
Facial hair grows faster than any other hair on the body
Fingernails grow nearly 4 times faster than toenails.
The acid in your stomach is strong enough to dissolve razorblades.
Womenís hearts beat faster than menís.
Your left lung is smaller than your right lung to make room for your heart.
Women blink twice as many times as men do.
During your lifetime, you will produce enough saliva to fill two swimming pools.
After eating too much, your hearing is less sharp.
Your nose can remember 50,000 different scents.
Your eyes are always the same size from birth but your nose and ears never stop growing.
It takes 17 muscles to smile and 43 to frown.
The strongest muscle in the human body is the tongue.
We are about 1 cm taller in the morning than in the evening.
Your body gives off enough heat in 30 minutes to bring half a gallon of water to a boil.
Humans are the only animals to produce emotional tears.
Women burn fat more slowly than men, by a rate of about 50 calories a day.