Question

what is the function of rings of cartilage present in the ?
1.to ensure that air volume increases
2.to ensure that air volume decreases
3.to ensure that air passage does not collapse
4.to ensure that air volume gets regulated ​

Answer 1

Answer:

itz option d

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Answer 2

Answer:

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. Due to the presence of rings of catilage, the air passage do not collapse when we breath out .