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Chapter 8

Cardiovascular System - Electrical System of the Heart

QuestionAnswer
Sinoatrial (SA) node Pacemaker of the heart; initates heartbeat
Function of SA node Sends electrical impulses that causes the atria to contract
Atrioventricle (AV) node Delays the impulse before sending it to ventricles
Bundle of His & Purkinje Fibers Distribute impulse throughout ventricles
Created by: user-2045584
 

 



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