Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1-25918-813-2
ISBN 13: 978-1-25918-813-8

Chapter 46 - The Musculoskeletal System - Review Questions - Understand: 7

Answer

B.

Work Step by Step

B. is correct since it is a single contraction, as mentioned in the question, while A., C., and D. all involve multiple contractions in one way or another.
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