Question

race of cartilage are not present in oesophagus but present in trachea why

Answer 1

I will attach a few pics.Wait for sometime.

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Answer 2

because there is no use of cartilage in the oesophagus but inside trachea its use of it it that it avoid collapsing of the Rings of the trachea with each other .that's what I hope this answer will help you buddy
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