Essentials of Human Anatomy & Physiology (12th Edition)

Published by Pearson
ISBN 10: 1292216239
ISBN 13: 978-1-29221-623-2

Chapter 14 - The Digestive System and Body Metabolism - Review Questions - Page 535: 9

Answer

d. External anal sphincter

Work Step by Step

External anal sphincter is responsible for voluntary control of defecation.
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