Silly little facts..

Found a couple of silly little "facts" in the Internet.. Not too sure how true they are.. Not take them too seriously.. maybe just as a conversation opener or casual chitchats.. ;)

As a starter, some silly/interesting "facts" about the human body.. :)

Our stomach has to produce a new layer of mucus every two weeks; otherwise it will digest itself.
Our eyes are always the same size from birth, but our nose and ears never stop growing.
Women blink nearly twice as much as men
The strongest muscle in the body is the tongue
Our fingernails grow four times as fast as your toenails.
The brain makes up only 2 percent of an adult's weight but consumes 20 percent of the blood's oxygen supply.
It's impossible to sneeze with your eyes open.
Our body has to burn 22 to 25 calories to digest 100 grams of complex carbohydrates, but burns only two calories to digest the same amount of fat.
The average life of a taste bud is 10 days.
On average, a 4 year old child asks 437 questions a day.
A sneeze can exceed the speed of 100 mph.
Even mild dehydration will slow down one's metabolism as much as 3%.
The average person perspires 1.43 pints (0.67 liter) of moisture a day.
Once women reach the age of 30 they lose 1% of their bone mass every year. By the time a women is 50 she will have lost 20% of her bone mass.
Other than your brain cells, 50,000,000 of the cells in your body will have died and been replaced with others, in the time it took you to read this sentence.