The human brain has the capacity to store everything that you experience.
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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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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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When you take a step, you are using up to 200 muscles.
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Your heart will pump about 212 million liters in its lifetime.
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If you are cold you are more likely to be hungry because you use energy to keep warm.
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If your DNA was stretched out it would reach to the moon 6,000 times.
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The adult human brain weighs about 3 pounds (1,300-1,400 g).
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