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CAIE A-Level Biology 8.1.2 Arteries, Capillaries and Veins

Practise ordering vessel types through a tissue bed and identifying them from pressure, wall and lumen evidence without confusing flow direction with oxygenation.

Syllabus
2028–2030
Course
Biology 9700
Level
AS

Exam points

  • order artery to arteriole to capillary to venule to vein through a tissue bed
  • use wall thickness, smooth muscle, elastic tissue and lumen size to identify vessels
  • separate vessel direction relative to the heart from oxygenation in pulmonary circulation

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