Select the incorrect statement with respect to. the functioning of the heart.
- AThe SA node generates the maximum number of action potentials (70-75/min).
- BThe AV node is responsible for the impulse generation that causes atrial contraction.
- CThe bundle of His and Purkinje fibers ensure the rapid spread of impulse to the ventricles.
- DVentricular systole follows atrial systole.
✓ Correct answer: B
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