Question
Question: Which of the following correctly traces the electrical impulses that trigger each heart beat-...
Which of the following correctly traces the electrical impulses that trigger each heart beat-
A
Pacemaker → AV node → Atria → Ventricles
B
Pacemaker → Atria → AV node → Ventricles
C
AV node →Pacemaker → Auricles → Ventricles
D
Ventricle → pacemaker → AV node → Auricle
Answer
Pacemaker → Atria → AV node → Ventricles