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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332

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BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332
Textbook Problem
286 views

When you sit quietly on the couch and read, output from ___ neurons prevails.

  1. a. sympathetic
  2. b. parasympathetic

Summary Introduction

Introduction: The autonomic system requires two neurons to carry a signal to the central nervous system (CNS) or from CNS.  There are two categories of autonomic neurons: sympathetic and parasympathetic. Both systems provide antagonistic service to each other.

Explanation

Reasons for the correct statement:

The signals from the parasympathetic neurons dominate when there is no physical activity. So, when you sit on a couch quietly and read something, the output from parasympathetic neurons prevails.

Hence, option b. is correct...

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