Every time you lick a stamp, you're consuming 1/10 of a calorie!
47
A toothbrush within 6 feet of a toilet can get airborne bacteria from flushing.
15
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
21
Every hour one billion cells in the body must be replaced.
17
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
There are 206 bones in the human body!
-17
When you get blackout drunk, you don't actually forget anything; your brain wasn't "recording" in the first place.
23
Every day, the average person swallows about a quart of mucous.
5