why are passage doesnot collapse in our body?
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Answer: The trachea or the windpipe connects the pharynx and larynx to our lungs. This allows air to pass in and out of the lungs. As the trachea is made of cartilaginous rings which are of C shape, it prevents the air passage not to collapse when we breathe out air
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Trachea has rings of cartilage around it. These rings of cartilage prevent the trachea from collapsing when we breathe out.
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