Which of the following structures is poorly innervated by the parasympathetic nervous system and, therefore, an increase in parasympathetic activity has little effect on this structure?
A)Purkinje fibers
B)sinoatrial node
C)ventricles
D)atrioventricular node
E)conduction pathway

Question

Quizplus · Accepted Answer

The ventricles are poorly innervated by the parasympathetic nervous system, so an increase in parasympathetic activity has little effect on them.

Which of the Following Structures Is Poorly Innervated by the Parasympathetic