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O-LevelBiologyTransport in Humans5090/12 · May/June 2023 · Q171 Mark

Which chamber of the heart has the thickest muscular walls?

Aleft atrium

Bleft ventricle

Cright atrium

Dright ventricle

✓ Correct answer

B: left ventricle

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About this question

Topic: Transport in Humans, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2023 Paper 1 Variant 2, question 17.

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