Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
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Our Right Lungs takes more air than our left lung.
194
In one day, adult lungs move about 10,000 litres of air.
11
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
19
The human body contains over a billion miles of DNA.
147
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22