Did you know..?

1. It is impossible to lick your elbow.
2. A crocodile can't stick its tongue out.
3. A shrimp's heart is in its head.
4. It is physically impossible for pigs to look up into the sky.
5. If you sneeze too hard, you can fracture a rib. If you try to suppress a sneeze, you can rupture a blood vessel in your head or neck and die. And, if you keep your eyes open by force, they can pop out.
6. Rats multiply so quickly that in 18 months, two rats could have over a million descendants.
7. Wearing headphones for just an hour will increase the bacteria in your ear by 700 times.