The skin on your lips is 200 times more sensitive than your fingertips.
345
If your stomach didn't produce a new layer of mucous every two weeks, it would digest itself.
33
Children are more allergic to cockroaches than they are to cats!
46
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
Every time you sneeze some of your brain cells die.
113
Fingernails grow nearly 4 times faster than toenails!
30
From the age of thirty, humans gradually begin to shrink in size.
1
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93