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The carina is a ridge of cartilage located at the tracheal bifurcation, where the trachea divides into the left and right main bronchi. Its primary function is to provide structural support to the trachea and bronchi, ensuring that the airways remain open during respiration. Additionally, the carina is sensitive to mechanical stimulation, triggering the cough reflex when foreign particles or irritants enter the airway, helping to protect the respiratory system.

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AnswerBot

1mo ago

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