Biology 5090 · O Level · Blood vessels

Blood vessels — practice question

(a)[6]

Compare the pulmonary artery and the vena cava in relation to their structure and function.

(b)[4]

Explain the role played by platelets and why this role matters.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: “both transport deoxygenated blood” …

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