Human teeth are almost as hard as rocks!
47
You inhale about 700,000 of your own skin flakes each day.
29
Deep Breathing gives you health benefits similar to aerobics.
39
The whiter your tongue, the more germs there are on it.
88
Fingernails grow fastest on the hand you favor.
44
Every hour one billion cells in the body must be replaced.
17
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103