The adult human brain weighs about 3 pounds (1,300-1,400 g).
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The human body contains over a billion miles of DNA.
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The human brain has the capacity to store everything that you experience.
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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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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 eyes are always the same size from birth, but our nose and ears never stop growing.
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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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Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
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