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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The largest cell in the human body is the female egg and the smallest is the male sperm.
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The average sperm cell swims at 8 inches per hour.
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Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
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It takes about 20 seconds for a red blood cell to circle the whole body.
102
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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