Gas exchange in humans · Cambridge IGCSE 0653
B11.1 Gas exchange in humans
B11.1 Gas exchange in humans appeared in 6 of the 6 years from 2020–2025, worth 209 marks across 82 questions — about 2.55 marks each.
Based on 220 real Cambridge past papers, 2020–2025.
Questions per year
How many Combined Science questions tagged to this topic appeared each year.
- 202010
- 202115
- 202220
- 202316
- 202416
- 20255
Appearance history
- Most recent
- 2025
- First in range
- 2020
- Years since last
- 0
- Longest gap
- 0 years
Historical occurrence only — not an exam prediction.
Related topics
Topics that most often share a question with this one.
Practise this topic
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