One human hair can support 3 ounces.
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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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Our Right Lungs takes more air than our left lung.
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When you take a step, you are using up to 200 muscles.
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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The average person's skin weighs twice as much as their brain.
131
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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