Electricity and chemicals in you brain? (5)

Your brain operates by electricity.  Each nerve cell in your brain are called neurons and generate an amazing voltage for its size.  This can be measured by EKG, EEG and EMG which are instruments using voltmeters as their main components.

Each neuron passes chemo-electrical impulses (also comprised of chemicals) on the next neuron.  Your brain cells generate a similar current to send back orders to your muscles and organs.  These electro-chemical impulses flash along your nerves at 393 feet per second, or about 27o miles per hour… so your reactions are mighty fast.



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