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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Your body is creating and killing about 2.4 million red blood cells per second.
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The average person's skin weighs twice as much as their brain.
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The adult human brain weighs about 3 pounds (1,300-1,400 g).
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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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The human brain has the capacity to store everything that you experience.
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Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
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When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
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