There are about 1,400 different species of bacteria in your belly button.
10
You see your nose at all times, your brain just chooses to ignore it.
30
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Our eyes are always the same size from birth, but our nose and ears never stop growing.
269
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Held in farts enter your bloodstream and are bad for your body.
26
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12