why the wind pipe is made up of ring of cartilage
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The wind pipe is made of ring of cartilage to prevent it from collapsing as we inhale and exhale the air
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The C-shaped cartilaginous rings allow the trachea to collapse slightly at its opening, so food can pass down the esophagus after swallowing. The epiglottis closes the opening to the larynx during swallowing to prevent swallowed matter from entering the trachea.
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