The human brain has the capacity to store everything that you experience.
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It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
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The average sperm cell swims at 8 inches per hour.
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Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
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If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
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Your thumb is about the same size as your nose.
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Your body is creating and killing about 2.4 million red blood cells per second.
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The adult human brain weighs about 3 pounds (1,300-1,400 g).
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