Biology 9700 · AS & A Level · The microscope in cell studies

The microscope in cell studies — practice question

What structures are present in the wall of an alveolus in the lungs of a human?

  • Acartilage ✓, cilia ✓, elastic fibres x
  • Bcartilage x, cilia x, elastic fibres ✓
  • Ccartilage ✓, cilia x, elastic fibres x
  • Dcartilage x, cilia ✓, elastic fibres ✓

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