Biology 9700 · AS & A Level · The gas exchange system

The gas exchange system — practice question

Which row identifies the tissues found in the wall of the trachea and in the wall of the bronchus?

  • Asmooth muscle ✓; squamous epithelium ✓; goblet cells ✓
  • Bsmooth muscle ✓; squamous epithelium ✓; goblet cells ✗
  • Csmooth muscle ✓; squamous epithelium ✗; goblet cells ✓
  • Dsmooth muscle ✗; squamous epithelium ✓; goblet cells ✗

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