The document provides an overview of the anatomy and physiology of the respiratory system. It describes the major structures involved in breathing and gas exchange, including the nose, pharynx, larynx, trachea, bronchi, lungs, and related structures. It also covers the mechanics of breathing, lung volumes and capacities, gas exchange processes, and some basic pulmonary function measurements.

1. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Chapter 20 Respiratory System Alveolar Duct

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