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CAIE A-Level Biology 8.3 The Heart Question Bank

Practise heart questions by identifying chambers, valves and vessels, interpreting cardiac-cycle pressure graphs and tracing SAN, AVN and Purkyne conduction.

Syllabus
2028–2030
Course
Biology 9700
Level
AS

Exam points

  • identify heart chambers, septa, valves, vessels and wall-thickness adaptations
  • use pressure or volume graphs to decide valve opening, closure and cardiac-cycle stage
  • trace excitation from SAN through AVN and Purkyne tissue to coordinated systole

Covered syllabus points

8.3.1—Mammalian heart structure8.3.2—Wall thickness differences8.3.3—Cardiac cycle and valves8.3.4—Cardiac conduction system

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