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A-LevelBiologyGas exchange9700/12 · May/June 2020 · Q321 Mark

Which structures of the human gas exchange system are supported by cartilage? [Figure 32.1]

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Abronchus: present, bronchiole: present, trachea: not present
Bbronchus: present, bronchiole: not present, trachea: not present
Cbronchus: present, bronchiole: present, trachea: present
Dbronchus: present, bronchiole: not present, trachea: present

✓ Correct answer

D: bronchus: present, bronchiole: not present, trachea: present

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About this question

Topic
Gas exchange, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source
A-Level Biology, May/June 2020 Paper 1 Variant 2, question 32.

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