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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Held in farts enter your bloodstream and are bad for your body.
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There's 100 trillion good bacteria living in your body.
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The human sigh acts as a physiological reset button.
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There are about 1,400 different species of bacteria in your belly button.
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When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
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Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
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