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O-LevelBiologyTransport in Humans5090/11 · Oct/Nov 2018 · Q181 Mark

By which route does oxygen pass into the blood?

Aalveoli → capillaries → trachea → bronchioles → bronchi
Bbronchi → alveoli → capillaries → trachea → bronchioles
Ccapillaries → bronchioles → alveoli → bronchi → trachea
Dtrachea → bronchi → bronchioles → alveoli → capillaries

✓ Correct answer

D: trachea → bronchi → bronchioles → alveoli → capillaries

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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 2018 Paper 1 Variant 1, question 18.

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