How does air passage does not collapse with the help of rings of cartilage?
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because of the presence of a surfactant known as lecithin.
it minimises the friction and also make the surface moisture which does not allow air sacs to collapse.
also the Rings of cartilage hold the sacs tightly so that it does not collapse as the air is expired out
it minimises the friction and also make the surface moisture which does not allow air sacs to collapse.
also the Rings of cartilage hold the sacs tightly so that it does not collapse as the air is expired out
grreeaatt:
hope it helps
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Answer:
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. Due to the presence of rings of catilage, the air passage do not collapse when we breath out .
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