Key term for OCR GCSE Biology A, used in Health and disease.
The central channel or open space within a blood vessel through which blood flows.
Lumen appears in OCR GCSE Biology A revision content for Global challenges, especially Health and disease and Treatments for cardiovascular disease.
Global challenges
Health and disease • Treatments for cardiovascular disease
Global challenges
Health and disease • Non-communicable diseases
Scaling up
The challenges of size • Transpiration and translocation
Scaling up
The challenges of size • Heart and blood vessels
Scaling up
The challenges of size • Human circulatory system
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