Answer
D.
Work Step by Step
A.-C. are all true, so D. is the best answer. A.-C. are all roles involving normally relatively gentle and steady contractions, typical of smooth muscle.
Biology (11th Edition)
by Raven, Peter; Johnson, George; Mason, Kenneth; Losos, Jonathan; Singer, Susan
Published by
McGraw-Hill Education
ISBN 10:
1259188132
ISBN 13:
978-1-25918-813-8
Chapter 42 - The Animal Body and Principles of Regulation - Review Questions - Understand - Page 886: 6
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