O-LevelBiologyRespiration5090/11 · May/June 2010 · Q171 Mark
What do the cilia do in the bronchi of the lungs? [Figure 17.1]
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Atrap bacteria ✓, move mucus out of the lungs ✓
Btrap bacteria ✓, move mucus out of the lungs x
Ctrap bacteria x, move mucus out of the lungs ✓
Dtrap bacteria x, move mucus out of the lungs x
✓ Correct answer
C: trap bacteria x, move mucus out of the lungs ✓
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