1. The liver is the only organ that can completely regenerate itself.
2. When you're born, you have about 300 bones. By the time you're a grownup, you've only got 206. Some of those bones fuse together as our bodies grow older and taller.
3. In an average lifetime, a single person produces enough saliva to fill two swimming pools.
4. There are over 100,000 miles of blood vessels inside your body.
5. The smallest bones in your body are inside your ear. In fact, they are so small they could all fit on a penny. But without them, you wouldn’t be able to hear a thing.
6. Your sense of smell is closely linked with your memories. Women have a stronger sense of smell than men.
7. Your body sheds about eight pounds of dead skin a year. And most of those cells settle as the dust in your home.
8. All puppies are born deaf. As they get older, they can hear 4 times better than humans can.
9. Iceland doesn’t have mosquitos.
10. Chocolate is toxic to dogs and cats.
11. The Louvre is the most visited attraction in Europe.