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4 bytes added ,  20:53, December 22, 2010
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a defibrillator uses a sudden electrical impulse to jump start the heart
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Several examples of electrical impulses include:
 
Several examples of electrical impulses include:
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* Within the [[heart]], an electrical impulse is used to cause beating, and these can be imitated in a pacemaker. Similarly a defibrillator uses a sudden electrical impulse to jump start the heart
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* Within the [[heart]], an electrical impulse is used to cause beating, and these can be imitated in a pacemaker. Similarly a [[defibrillator]] uses a sudden electrical impulse to jump start the heart
 
* The [[nervous system]] works by a series of electrical impulses to and from the brain that stimulate muscles and other organs
 
* The [[nervous system]] works by a series of electrical impulses to and from the brain that stimulate muscles and other organs
  
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