When impulses are conducted through the heart, transmission is delayed at the ____ so that the____ may contract before the ____.
A) sinoatrial node; atria; ventricles
B) sinoatrial node; ventricles; atria
C) atrioventricular bundle; atria; ventricles
D) atrioventricular node; ventricles; atria
E) atrioventricular node; atria; ventricles
Correct Answer:
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