When the sympathetic and parasympathetic nervous systems both ennervate the same organ, they typically produce opposing effects.

Question

Quizplus · Accepted Answer

The sympathetic and parasympathetic nervous systems are part of the autonomic nervous system and often have opposite effects to maintain homeostasis; for example, the sympathetic system increases heart rate, while the parasympathetic system decreases it.

When the Sympathetic and Parasympathetic Nervous Systems Both Ennervate the Same