Key term for Edexcel GCSE Biology, used in The Circulatory System.
The innermost, single layer of smooth cells lining the inside of all blood vessels.
Endothelium appears in Edexcel GCSE Biology revision content for Exchange and Transport in Animals, especially The Circulatory System and Blood Vessels.
Exchange and Transport in Animals
The Circulatory System • Blood Vessels
Health, Disease and Medicines
Non-Communicable Diseases • Lifestyle Factors
Health, Disease and Medicines
Non-Communicable Diseases • Causes of Non-Communicable Diseases
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