The human body contains over a billion miles of DNA.
147
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Our Right Lungs takes more air than our left lung.
194
A human being loses an average of 40 to 100 strands of hair a day.
133