Answer
B
Work Step by Step
The parasympathetic nervous system increases blood flow and muscle activity around the digestive system.
Campbell Biology (11th Edition)
by Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky
Published by
Pearson
ISBN 10:
0-13409-341-0
ISBN 13:
978-0-13409-341-3
Chapter 49 - Test Your Understanding - Level 1 - Knowledge/Comprehension - Page 1104: 1
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