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O-LevelBiologyRespiration5090/12 · May/June 2021 · Q181 Mark

During exercise, a person breathes more deeply and more frequently. Which is a result of this?

ACarbon dioxide is removed more rapidly.
BHeat loss is decreased.
CLess glucose is delivered to the working muscles.
DLess oxygen diffuses into the blood.

✓ Correct answer

A: Carbon dioxide is removed more rapidly.

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About this question

Topic
Respiration, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source
O-Level Biology, May/June 2021 Paper 1 Variant 2, question 18.

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