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

Humans shed skin the way our pets shed hair.
Humans shed skin the
way our pets shed hair,
typically about 600,000
particles per hour.

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

6. The small intestine is about four times as long as the average adult is tall. If it weren't looped back and forth upon itself, its length of 18 to 23 feet wouldn't fit into the abdominal cavity, making things rather messy.

On the next page you will find the final 10 items on our list of unusual facts about the human body.

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