In one day, adult lungs move about 10,000 litres of air.
11
The average person's skin weighs twice as much as their brain.
131
In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
22
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
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
The human sigh acts as a physiological reset button.
23