The human brain has the capacity to store everything that you experience.
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All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
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When you take a step, you are using up to 200 muscles.
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It takes about 20 seconds for a red blood cell to circle the whole body.
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Your thumb is about the same size as your nose.
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The human brain doesn't stop developing until about 25 years old.
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The adult human brain weighs about 3 pounds (1,300-1,400 g).
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The average sperm cell swims at 8 inches per hour.
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