Biology · Human Respiratory System
Which of the following structural features ensures that the human air passage (trachea) does not collapse even when there is less air in it during respiration?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Diaphragm
- 2Cilia
- 3Rings of cartilage✓
- 4Mucus lining
Correct answer
Rings of cartilage
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