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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Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
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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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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
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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The average sperm cell swims at 8 inches per hour.
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