The human brain has the capacity to store everything that you experience.
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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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Enamel is hardest substance in the human body.
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The adult human brain weighs about 3 pounds (1,300-1,400 g).
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The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
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The average sperm cell swims at 8 inches per hour.
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The average person's skin weighs twice as much as their brain.
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