Your heart will pump about 212 million liters in its lifetime.
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You see your nose at all times, your brain just chooses to ignore it.
30
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
The human brain uses approximately as much energy as a 10 watt light bulb.
120
There's 100 trillion good bacteria living in your body.
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In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
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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