Your heart will pump about 212 million liters in its lifetime.
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Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
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The average person's skin weighs twice as much as their brain.
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Chewing gum boosts your brain power.
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Enamel is hardest substance in the human body.
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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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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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