Your heart will pump about 212 million liters in its lifetime.
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For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
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.
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In one day, adult lungs move about 10,000 litres of air.
11
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
There are about 1,400 different species of bacteria in your belly button.
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