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Ch 2 / 3

TermDefinition
aorta largest artery of the body
aortic semilunar valve prevents backflow of blood into the left ventricle
atrioventricular node (AV node) delays electrical impulse
atrium top two chambers of the heart
automaticity the ability of the heart to begin an electrical impulse
Bachmann's bundle makes the electrical impulse from the SA node to the left atria
bundle branches left and right branches of the bundle of His that create impulses
bundle of His (AV bundle) transfers electrical impulse from the atria to the ventricles
cardiac cycle the contraction and relaxation of the heart
chordae tendineae structures that prevent the heart valves from opening in the wrong direction
conductivity how heart cells receive and transmit electrical impulses
Created by: Perlahm
 

 



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