"Rings of cartilage are found around the trachea "give reason for it
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Answer:
rings of cartilage is responsible for not shrinking of trachea.it doesn't shrinking the treaches.
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samarainandu
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Give reason (a) rings of cartilage are present in trachea
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Walls of trachea is supported by cartilaginous rings so that the air passage does not collapse.
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Answer:
Rings of cartilage are present in the trachea because it provide flexibility and support to the trachea permitting it to move it and flex when breathing. The trachea preserves its stiffness by virtue of "a series of cartilaginous rings" packed along its length called as the "C- shaped cartilage rings". They prevent it from collapsing during the "absence of air" and it also aids in protecting it. These rings stabilise the trachea and make it rigid while permitting it to "expand in length" when the person breathes. Cartilage is a strong but flexible tissue. There are usually "16 to 20 individual cartilages". These C-shaped cartilages are stacked one on top of the other and are open at the area where the trachea is nearest to the oesophagus.
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