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O-LevelBiologyRespiration5090/11 · May/June 2022 · Q191 Mark

Which row shows actions that occur when humans breathe in?

Abecomes dome shaped, contract, fall
Bbecomes dome shaped, relax, rise
Cflattens, contract, rise
Dflattens, relax, fall

✓ Correct answer

C: flattens, contract, rise

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About this question

Topic
Respiration, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source
O-Level Biology, May/June 2022 Paper 1 Variant 1, question 19.

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