Biology · IGCSE · Cambridge · Cambridge IGCSE (9–1) Biology 0970 (Extended) (2026–2028) · Specification point · 9.3 · Transport in animals
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9.3 Blood vessels
| Core | Supplement |
|---|---|
1 Describe the structure of arteries, veins and capillaries, limited to: relative thickness of wall, diameter of the lumen and the presence of valves in veins | |
2 State the functions of capillaries | |
3 Identify in diagrams and images the main blood vessels to and from the: (a) heart, limited to: vena cava, aorta, pulmonary artery and pulmonary vein (b) lungs, limited to: pulmonary artery and pulmonary vein (c) kidney, limited to: renal artery and renal vein | |
4 Explain how the structure of arteries and veins is related to the pressure of the blood that they transport | |
5 Explain how the structure of capillaries is related to their functions
6 Identify, in diagrams and images, the main blood vessels to and from the liver as: hepatic artery, hepatic vein and hepatic portal vein |