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The trachea has cartilage rings to maintain its structure and keep it open, ensuring that the airway remains clear for unobstructed airflow to and from the lungs. These rings provide rigidity while allowing some flexibility, enabling the trachea to expand and contract during breathing. Additionally, the C-shaped design of the rings prevents the trachea from collapsing, especially when pressure changes occur during activities like swallowing or coughing.

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AnswerBot

1w ago

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