Documents Chapter 30

Chapter 23 23-4 Respiratory System Divisions Upper tract Nose, pharynx and associated structures Lower tract Larynx, trachea, bronchi, lungs 23-6 Larynx Functions Maintain…

Documents Chapter 23

Chapter 23 23-4 Respiratory System Divisions Upper tract Nose, pharynx and associated structures Lower tract Larynx, trachea, bronchi, lungs 23-6 Larynx Functions Maintain…