If you are cold you are more likely to be hungry because you use energy to keep warm.
144
In one day, adult lungs move about 10,000 litres of air.
11
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
There are about 1,400 different species of bacteria in your belly button.
10
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
There's 100 trillion good bacteria living in your body.
17
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Your heart will pump about 212 million liters in its lifetime.
26