The adult human brain weighs about 3 pounds (1,300-1,400 g).
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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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One human hair can support 3 ounces.
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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.
46
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.
119
When you take a step, you are using up to 200 muscles.
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An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
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