Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
All 13 minerals necessary for human life can be found in alcohol beverages.
282
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
94
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515