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Cambridge IGCSE Biology (0610)

1. Characteristics and classification of living organisms

2. Organisation of the organism

3. Movement into and out of cells

4. Biological molecules

6. Plant nutrition

7. Human nutrition

8. Transport in plants

9. Transport in animals

10. Diseases and immunity

11. Gas exchange in humans

12. Respiration

13. Excretion in humans

14. Coordination and response

16. Reproduction

17. Inheritance

18. Variation and selection

19. Organisms and their environment

20. Human influences on ecosystems

21. Biotechnology and genetic modification

22. Assessed scientific skills

IGCSE/CAIE/Biology/Concept

11.1.9—Differences in composition between

Syllabus: 0610–2026–2027
Objective: 11.1.9
Level: —

11.1.9—Differences in composition between

Explain the differences in composition between inspired and expired air

ConceptIGCSE Biology