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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Enamel is hardest substance in the human body.
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Your heart will pump about 212 million liters in its lifetime.
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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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Our Right Lungs takes more air than our left lung.
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The adult human brain weighs about 3 pounds (1,300-1,400 g).
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