Biology 2010 Student Edition

Published by Prentice Hall
ISBN 10: 9780133669510
ISBN 13: 978-0-13366-951-0

Chapter 28, Animal Systems II - Assessment - 28.2 Movement and Support - Understand Key Concepts/Think Critically - Page 834: 13



Work Step by Step

The shortening of a muscle is called a contraction. When a muscle contracts, it pulls on a bone or other structure to cause that structure to move.
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