Your body is creating and killing about 2.4 million red blood cells per second.
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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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Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
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It takes about 20 seconds for a red blood cell to circle the whole body.
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Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
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If your DNA was stretched out it would reach to the moon 6,000 times.
256
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
The human brain has the capacity to store everything that you experience.
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