Respiratory Tract and Alveoli
Anatomy and Physiology · Flashcards
ANATOMY AND PHYSIOLOGY · FLASHCARDS
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QUESTION
Which airway marks the end of the conducting zone?
QUESTION
How many lobes does each lung have?
QUESTION
What supports the trachea, and why is it open posteriorly?
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ANSWER
C-shaped rings of hyaline cartilage. The open back, bridged by the trachealis muscle, lets the esophagus expand during swallowing.
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