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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The human body contains over a billion miles of DNA.
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A human being loses an average of 40 to 100 strands of hair a day.
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The adult human brain weighs about 3 pounds (1,300-1,400 g).
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The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
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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