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O-LevelBiologyTransport in Humans5090/12 · Oct/Nov 2017 · Q251 Mark

Which of these structures would be the first to receive nicotine absorbed into the blood from tobacco smoke?

Abrain

Bleft atrium

Cliver

Dright atrium

✓ Correct answer

B: left atrium

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About this question

Topic: Transport in Humans, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2017 Paper 1 Variant 2, question 25.

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