What this tests
Syllabus point 11.1 — Gas exchange in humans, in Gas exchange in humans. Difficulty easy (estimated from the question's demands, not a Cambridge rating).
Also set in
The same question, as Cambridge printed it in other papers.
Cambridge IGCSE Biology 0610 · 11.1 Gas exchange in humans
November 2023 · Paper 11 · Question 22
One real Cambridge question from Gas exchange in humans, with the official answer. Cambridge has printed this question 3 times.