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2.2.4 Heart and blood vessels — OCR Biology A J247 | GradeGen.AI
Biology A
Scaling up
The challenges of size
Heart and blood vessels
Heart and blood vessels
OCR GCSE Biology A (J247) — Scaling up
What You Need to Know
Explain how the structure of the heart is adapted to its function, referencing cardiac muscle, valves, chambers, and major blood vessels.
Explain how the structure of blood vessels is adapted to their function, referencing wall thickness, lumen diameter, and valves.
Revision Notes
1
Heart and blood vessels
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Human circulatory system
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Red blood cells and plasma