why do the walls of the trachea not collapse even when we bend our neck
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Answer:
The trachea is covered by incomplete C- shaped cartilaginous rings . The trachea is composed of about 20 rings of tough cartilage. The back part of each ring is made of muscle and connective tissue. This ring prevents trachea from collapsing when there is less air in it.
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Explanation:
Tracheal walls do not collapse when there is less air in it because it is supported by rings of cartilage.
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