Hole's Essentials of Human Anatomy & Physiology, 12th Edition (Shier)

Chapter 16: Respiratory System

Essay Questions

How is the opening of the trachea protected during swallowing?
What causes emphysema and why does it become so difficult for the patient with emphysema to breathe?
Why are the cartilages of the trachea shaped like a C instead of being completely round like an O?
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