The human brain doesn't stop developing until about 25 years old.
102
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
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
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
A human being loses an average of 40 to 100 strands of hair a day.
133
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197