Question

What happens to trachea when there is less pressure inside it?​

Answer 1

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• The trachea is supported by c-shaped rings of cartilage which hold them in place when there is less air inside it.
• Due to this, the walls of trachea do not collapse even when there is a little air or less pressure inside it.
• The trachea is covered by incomplete C- shaped cartilaginous rings .
• The trachea is composed of about 20 rings of tough cartilage.
• This ring prevents trachea from collapsing when there is less air in it.

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Answer 2

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