9700/121 mark
May/June 2025 · Question 32
8.2 Transport of oxygen and carbon dioxide
8.2 Transport of oxygen and carbon dioxide

9700/121 mark
May/June 2025 · Question 33
8.3 The heart
8.3 The heart

9700/121 mark
May/June 2025 · Question 34
8.2 Transport of oxygen and carbon dioxide
8.2 Transport of oxygen and carbon dioxide

9700/227 marks
May/June 2025 · Question 2
8.2 Transport of oxygen and carbon dioxide, 2.3 Proteins
8.2 Transport of oxygen and carbon dioxide2.3 Proteins
