The sympathetic nervous system a. is always excitatory for smooth muscle b. innervates only tissues concerned with protecting the body against challenges from the outside environment c. dominates in rest-and-digest situations d. contains cholinergic and adrenergic fibers e. a and d

Respuesta :

The sympathetic nervous system innervates only tissues concerned with protecting the body against challenges from the outside environment.

What is the importance of sympathetic nervous system?

The sympathetic nervous system orders the body to quick involuntary response to stressful situations. A specific hormones boosts the body's alertness and heart rate in order to send extra blood to the muscles.

So we can conclude that the sympathetic nervous system innervates only tissues concerned with protecting the body against challenges from the outside environment.

Learn more about nervous system here: https://brainly.com/question/869589

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