0654 · IGCSE · B11
Gas exchange in humans
498 real Co-ordinated Sciences questions on Gas exchange in humans, drawn from past series. Open one to see the genuine paper, then sign in free to get it marked point by point.
Questions
newest 50 of 498- Question 80654/13 · Oct/Nov 20251 mark
- Question 180654/11 · Oct/Nov 20251 mark
- Question 250654/11 · Oct/Nov 20251 mark
- Question 250654/12 · Oct/Nov 20251 mark
- Question 260654/11 · Oct/Nov 20251 mark
- Question 260654/13 · Oct/Nov 20251 mark
- Question 80654/22 · Oct/Nov 20251 mark
- Question 230654/21 · Oct/Nov 20251 mark
- Question 240654/21 · Oct/Nov 20251 mark
- Question 250654/23 · Oct/Nov 20251 mark
- Question 260654/22 · Oct/Nov 20251 mark
- Question 260654/23 · Oct/Nov 20251 mark
- Question 270654/23 · Oct/Nov 20251 mark
- Question 30654/33 · Oct/Nov 2025
- Question 60654/31 · Oct/Nov 2025
- Question 60654/33 · Oct/Nov 2025
- Question 60654/32 · Oct/Nov 2025
- Question 50654/42 · Oct/Nov 2025
- Question 50654/43 · Oct/Nov 202510 marks
- Question 90654/12 · May/June 20251 mark
- Question 90654/13 · May/June 20251 mark
- Question 100654/11 · May/June 20251 mark
- Question 240654/12 · May/June 20251 mark
- Question 240654/11 · May/June 20251 mark
- Question 250654/12 · May/June 20251 mark
- Question 250654/11 · May/June 20251 mark
- Question 250654/13 · May/June 20251 mark
- Question 260654/12 · May/June 20251 mark
- Question 260654/11 · May/June 20251 mark
- Question 80654/21 · May/June 20251 mark
- Question 130654/23 · May/June 20251 mark
- Question 250654/22 · May/June 20251 mark
- Question 260654/21 · May/June 20251 mark
- Question 260654/22 · May/June 20251 mark
- Question 270654/22 · May/June 20251 mark
- Question 60654/32 · May/June 2025
- Question 80654/31 · May/June 202512 marks
- Question 10654/43 · May/June 202510 marks
- Question 10654/41 · May/June 2025
- Question 20654/42 · May/June 2025
- Question 50654/42 · May/June 2025
- Question 60654/42 · May/June 2025
- Question 80654/41 · May/June 20259 marks
- Question 10654/61 · May/June 202513 marks
- Question 110654/12 · Feb/March 20251 mark
- Question 120654/12 · Feb/March 20251 mark
- Question 250654/22 · Feb/March 20251 mark
- Question 60654/32 · Feb/March 2025
- Question 20654/42 · Feb/March 202511 marks
- Question 70654/42 · Feb/March 2025
The full set of 498 questions, with older series and topic drills, lives in the app.
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