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

Published by Wiley
ISBN 10: 1-11877-456-6
ISBN 13: 978-1-11877-456-4

Chapter 23 - The Respiratory System - Figure 23.10 - Page 854: 1

Answer

The walls of alveoli are made of Type I and Type II alveolar cells.

Work Step by Step

In addition to these Type I and Type II pneumocytes that function in gas exchange, numerous macrophages wander through alveolar lumens and in the connective tissue, phagocytizing debris.
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