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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Your heart will pump about 212 million liters in its lifetime.
26
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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For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Chewing gum boosts your brain power.
285
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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Your body is creating and killing about 2.4 million red blood cells per second.
17
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55