Most people spend about the same amount of time blinking as they spend eating – a total of about five years over a whole lifetime.
The heat output from the average adult body is enough to boil 30 litres (around 53 pints) of freezing water.
If all of your body’s molecules of DNA (the a chemical which makes up your genes) were stretched out, they would reach to the Moon and back 3,000 times!
The world record for holding your breath is 7.5 minutes. Most people can only manage around 1 minute.
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