The adult human brain weighs about 3 pounds (1,300-1,400 g).
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The human brain uses approximately as much energy as a 10 watt light bulb.
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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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Your heart will pump about 212 million liters in its lifetime.
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There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
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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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It takes about 20 seconds for a red blood cell to circle the whole body.
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