The human brain uses approximately as much energy as a 10 watt light bulb.
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The human brain has the capacity to store everything that you experience.
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Your heart will pump about 212 million liters in its lifetime.
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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 human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
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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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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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