DISCOVERY: Unusual Facts About The Human Body.

People will often say they know somethin­g "like the back of their hand" to indicate that they're familiar with it top to bottom. But how much do you actually know about your own body? We've got 5 titbits that may surprise you.

1: Tongue Print

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­D­on't stick out your tongue if you want to hide your identity. Similar to fingerprints, everyone also has a unique tongue print!

2: Shedding

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­ Your pet isn't the only one in the house with a shedding problem. Humans shed about 600,000 particles of skin every hour. That works out to about 1.5 pounds each year, so the average person will lose around 105 pounds of skin by age 70.

3: Bone Count

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­ An adult has fewer bones than a baby. We start off life with 350 bones, but because bones fuse together during growth, we end up with only 206 as adults.

4: New Stomach

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­ Did you know that you get a new stomach lining every three to four days? If you didn't, the strong acids your stomach uses to digest food would also digest your stomach.

5: Scent Remembering

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Your nose is not as sensitive as a dog's, but it can remember 50,000 different scents.

...TO BE CONTINUED.