The adult human brain weighs about 3 pounds (1,300-1,400 g).
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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
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Your heart will pump about 212 million liters in its lifetime.
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When you take a step, you are using up to 200 muscles.
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Your thumb is about the same size as your nose.
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Our Right Lungs takes more air than our left lung.
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Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
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