Anatomy of the Respiratory Tract (Nose, Pharynx, Larynx, Trachea, Lungs)
Start with the big picture
The lesson follows the respiratory tract from the external nose and nasal cavity to the lungs. It introduces the nasal septum and conchae, the roles of the paranasal sinuses, and the divisions of the pharynx. It then examines the laryngeal cartilages and vocal folds, followed by the trachea, its bifurcation, and the main bronchi. Lung lobes and bronchopulmonary segments are part of the topic’s structure, alongside pleura, pulmonary and bronchial circulation, and lymphatic drainage. The preview highlights how form relates to function—for example, how airflow is conditioned and protected—without covering the full set of anatomical details and clinical points in the lesson.
What you'll learn
- Trace the route of air through the major respiratory tract structures.
- Describe key features of the nasal cavity and paranasal sinuses.
- Distinguish the regions of the pharynx and their anatomical boundaries.
- Identify major laryngeal structures and their roles in phonation and airway protection.
- Compare the trachea, main bronchi, and basic lung organization.
Continue your study
Work through the complete notes and reinforce the topic with the study tools available in the full lesson.
