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Anatomy
🫁Lower Airways & Lungs
Lower Respiratory Tract
6 structures
The portion of the respiratory system below the larynx, including the trachea, bronchial tree, and lungs. This is where gas exchange occurs -- oxygen enters the blood and carbon dioxide is expelled.
💡The trachea has C-shaped cartilage rings to keep it open, but the back is soft so the esophagus behind it can expand when you swallow food.
6 structures
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