Do you know your own body

Right-handed people live, on average, nine years longer than left-handed people do.

The brain operates on the same amount of power as 10-watt light bulb.

The brain is much LESS active at night than during the day.

Scientists say the higher your I.Q. the LESS you dream.

Facial hair grows SLOWER than any other hair on the body

The fastest growing nail is on the middle finger

There are as many hairs per square inch on your body as a chimpanzee

The acid in your stomach is NOT strong enough to dissolve razorblades.

The surface area of a human lung is equal to a tennis court.

Men’s hearts beat faster than Women’s

Feet have 500,000 sweat glands and can produce more than a pint of sweat a day.

During your lifetime, you will produce enough saliva to fill two swimming pools.

A baby’s head is one-quarter of it’s total length, but by age 25 will only be one-eighth of its total length.

It takes 17 muscles to smile and 43 to frown

The strongest muscle in the human body is the tongue