Question

select the terms in each blank to accurately complete each sentence.

1. dual innervation describes a scenario in which a target organ has innervation from (click to select) division(s) of the ans.
2. if the divisions create opposite effects on the same target organ, its called (click to select) innervation.
3. if the divisions have complementary effects on the target organ or system, its called (click to select) innervation.
4. since the parasympathetic division causes the heart rate to (click to select) and the sympathetic division causes the heart rate to (click to select), this is an example of antagonistic innervation.

Explanation:

1. Dual innervation means both the sympathetic and parasympathetic divisions of the Autonomic Nervous System (ANS) innervate a target organ.
2. Antagonistic innervation occurs when the two divisions have opposite effects on a target organ.
3. Complementary innervation is when the divisions have complementary effects on the target.
4. The parasympathetic division slows the heart - rate and the sympathetic division increases it, which is an example of antagonistic innervation.

Answer:

1. both sympathetic and parasympathetic
2. antagonistic
3. complementary
4. decrease; increase