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The Atrioventricular Node (AV Node) of the Heart

Question 41

Multiple Choice

The atrioventricular node (AV node) of the heart:


A) Is the primary pacemaker of the heart
B) Slows the electrical activity of the heart before it reaches the ventricles
C) Fills gradually with blood during diastole
D) Is a vestigial organ. Animals can live without it.

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