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Cambridge IGCSE Biology practice

Paper 3 structured question: Circulatory systems

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Attempt questionCirculatory systems revisionRevise the key idea

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Topic

Circulatory systems

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Paper 3Theory (Core)2 marks

The circulatory system includes a network of blood vessels, a pump, and valves.

Diagram Description

Simplified diagram of the circulatory system

The diagram shows the heart connected to arteries and veins. Valves are present in some veins.

  1. a

    Describe the role of valves in the circulatory system.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 3 structured question: Circulatory systems

Paper 3Theory (Core)1 marks

Description

Circulatory system function

Blood is pumped by the heart through a network of blood vessels. Valves ensure blood flows in one direction.

  1. a

    Identify the component of the circulatory system that acts as a pump.

    Aim for approximately 1 distinct marking point.

    [1]