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CAIE A-Level Biology 8.3.1 External and Internal Heart Structure

Practise identifying chambers, valves, tendinous cords and major vessels, then relate ventricular wall thickness and coronary supply to systemic or pulmonary workload.

Syllabus
2028–2030
Course
Biology 9700
Level
AS

Exam points

  • trace blood through venae cavae, right heart, lungs, left heart and aorta
  • identify atrioventricular and semilunar valves from position and flow direction
  • relate ventricular wall thickness and coronary supply to the myocardium’s workload

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