Human Anatomy & Physiology (9th Edition)

Published by Pearson
ISBN 10: 0321743261
ISBN 13: 978-0-32174-326-8

Chapter 9 - Muscles and Muscle Tissue - Review Questions - Page 317: 3(1)


(b) thin

Work Step by Step

Myofibrils are chains of sarcomeres; Each sarcomere contains thick (myosin) and thin (actin) myofilaments arranged in a regular array. The heads of myosin molecules form cross bridges that interact with the thin filaments (page 315).
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