Your body is creating and killing about 2.4 million red blood cells per second.
17
In one day, adult lungs move about 10,000 litres of air.
11
There's 100 trillion good bacteria living in your body.
17
A human being loses an average of 40 to 100 strands of hair a day.
133
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127