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Breathing and Exchange of Gases — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYBreathing and Exchange of Gases1 Mark
MCQ
Even when there is no air in it, human trachea does not collapse due to presence of:
  • A
    Turgid pressure.
  • ✓
    Cartilaginous rings.
  • C
    Bony rings.
  • D
    Chitinous rings.
✓

Answer

Correct option: B.
Cartilaginous rings.

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