Your heart will pump about 212 million liters in its lifetime.
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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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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
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It takes about 20 seconds for a red blood cell to circle the whole body.
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If your DNA was stretched out it would reach to the moon 6,000 times.
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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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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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