Essentials of Human Anatomy & Physiology (12th Edition)

Published by Pearson
ISBN 10: 1292216239
ISBN 13: 978-1-29221-623-2

Chapter 7 - The Nervous System - Review Questions - Page 303: 33

Answer

Sympathetic fibers are activated in response to threatening situations, according to the notion of fight or flight, and the activity in body parts increases. But parasympathetic fibers are activated in resting situations, like while digesting food. So the body parts relax, which is the opposite effect of sympathetic fibers.

Work Step by Step

Same as above.
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