your nervous system transmits message to your brain at a speed of about 1800 miles per hour.your nervous system transmits message to your brain at a speed of about 1800 miles per hour.miles per hour.
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my teachers going crazy I have no idea why I think as I see a pencil zooming by she got I I no name papers and 20 in here...
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inside your body's you carry around a three pound (1.4-kg) mass of wrinkly material in your head that controls every single thing yo...
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