Biology 5090 · O Level · Heart

Heart — practice question

The diagram presents the heart’s internal layout as seen from the front, together with the blood vessels linked to it.
(a)[3]

Name and describe what structure P does.

(b)[3]

Name and describe what structure Q does.

(c)[4]

Name and describe what structure R does.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: “pulmonary vein, vessel P” …

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