alleryStart learning →What prevents the trachea from collapsing?
AContractile rings
BCartilage rings
CCapillary rings
DConnective rings
Answer & Solution
Correct answer: B. Cartilage rings
1. The posterior wall is a flexible membrane.
2. The rest is held open by something rigid.
3. The rings of cartilage provide structural support and prevent the trachea from collapsing.
4. So the answer is cartilage rings.
_Source: OpenStax 'Anatomy and Physiology 2e', Ch 22 'The Respiratory System'_
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