Taser2010_Pres - The Taser Mike Schulz Tony DiLiberto Alex...

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The Taser Mike Schulz Tony DiLiberto Alex Stepien
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Contents Body’s Electrical System Taser Description Reaction between Body and Taser
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Electrical System in the Human Body Human body uses tiny electrical signals to tell muscles to expand and contract Estimated that the brain uses 20 watts of power every day Most in the form of signals sent to motor neurons These motor neurons receive the signal, and control the movement of your muscles
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Electrical System in the Human Body Small doses of electricity are harmless Example: picking something up off the ground Electricity moves down a nerve cell toward the muscles in your arm Nerve cell releases a neurotransmitter, a communication chemical, which is sent to the muscles The neurotransmitter tells your muscles to contract or expand
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Communication Between Nerves Contain negatively charged ions Using ‘pumps’ cells are able to transport positively charged ions through the membrane (fig.1) The the membrane becomes more permeable in one spot, the low of positive ions back into the cell causes the differences to cancel out: depolarization (fig. 2) That depolarization will move sideways along
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Taser2010_Pres - The Taser Mike Schulz Tony DiLiberto Alex...

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