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Alik [6]
3 years ago
10

Which structure of the trachea prevents it from collapsing inward and obstructing the air passageway?

Biology
1 answer:
klemol [59]3 years ago
6 0
Answer: <span>hyaline cartilage rings

Hyaline cartilage rings in a shape of a C prevent the tracheal wall from collapsing inward and obstructing airway (during inhalation). Posteriorly (</span><span><span>open portion of each ring) </span>there is not cartilage but there is muscle so that the esophagus can stretch (the </span>esophagus is behind the trachea).



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