In one day, adult lungs move about 10,000 litres of air.
11
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
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
There's 100 trillion good bacteria living in your body.
17
Held in farts enter your bloodstream and are bad for your body.
26
In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
22
A person can live without food for about a month, but only about a week without water.
156
