In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
22
Held in farts enter your bloodstream and are bad for your body.
26
If you hold farts in during the day, they'll just come out when you sleep.
16
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
22
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118