¶. Why walls of trachea do not collapse when there is less air in it.
Answers
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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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.
The hyaline cartilage in the tracheal wall provides support and keeps the trachea from collapsing.
So, trachea is prevented by collapsing because of rings of cartilage
Trachea is supported by c-shaped rings of cartilage which hold them in place when there is less air inside it. So, the walls of trachea do not collapse even when there is a little air.