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Paper 3Theory (Core)2 marks
Diagram of the mammalian heart showing labelled parts.
Diagram Description
Mammalian Heart Diagram
A labelled diagram shows the muscular wall, septum, left and right atria, left and right ventricles, one-way valves, and coronary arteries.
- a[2]
State the function of the one-way valves in the heart.
Aim for approximately 2 distinct marking points.
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