1: It is impossible to lick your elbow
2: It is physically impossible for pigs to look up into the sky.
3: If you sneeze too hard, you can fracture a rib.
4:If you try to suppress a sneeze, you can rupture a blood vessel in your head or neck and die
5:If you keep your eyes open by force when you sneeze, you might pop an eyeball out.
6: Deer can't eat hay.
7: Your Pupil dilates by 45% when you look at someone whom you love.
8: Your foot is the same size as the distance between your wrist and elbow.
9: The brain of a person who is being ignored shows stimulated activity in the region of the brain responsible for physical pain.
10: Humans are the only mammal that cannot swallow and breathe at the same time.
11: All humans are born naturally afraid of loud noises and falling, the only two fears they are known to possess at the time of birth!
12: The higher your I.Q. the more your dream.