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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Every year your body replaces 98% of your atoms.
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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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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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Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
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Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
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The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
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