Organization of the Respiratory System

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Chapter: Anatomy and Physiology for Health Professionals: Respiratory System

The upper respiratory tract includes the nose, nasal cavity, paranasal sinuses, and pharynx.


Organization of the Respiratory System

The upper respiratory tract includes the nose, nasal cavity, paranasal sinuses, and pharynx. The lowerrespiratory tract includes the larynx, trachea, and lungs. The lungs contain the bronchi, bronchioles, and alveoli. FIGURE 21-1 shows the structures of the respiratory system.



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