Principles of Anatomy and Physiology 14e with Atlas of the Skeleton Set (14th Edition)

by Tortora, Gerard J.

Published by Wiley

ISBN 10: 1-11877-456-6

ISBN 13: 978-1-11877-456-4

Chapter 23 - The Respiratory System - Figure 23.6 - Page 849: 1

Answer

As a bolus passes down the esophagus it bulges and presses against the trachea.

Work Step by Step

This occurs because the tissue between the esophagus and trachea is soft.

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