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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There's 100 trillion good bacteria living in your body.
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In 1996, research found that having excessive body hair is linked to higher intelligence.
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There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
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A person can live without food for about a month, but only about a week without water.
156
If you hold farts in during the day, they'll just come out when you sleep.
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There are about 1,400 different species of bacteria in your belly button.
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