There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Our Right Lungs takes more air than our left lung.
194
Our eyes are always the same size from birth, but our nose and ears never stop growing.
269
Your body is creating and killing about 2.4 million red blood cells per second.
17
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
You see your nose at all times, your brain just chooses to ignore it.
30
Your thumb is about the same size as your nose.
124
One human hair can support 3 ounces.
191