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- Don't need nerves attaching to the heart to make it contract because it has the intrinsic ability to self generate its own nerve impulse.

- In the conduction system, there are 5 different parts: 1) pacemaker of the heart - located in the upper right atrium is called the SA node. 2) AV node 3) Bundle of His 4) bundle branches 5) perkinje fibers into the ventricles




 

 

 
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