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Learning objective

Explain the circulatory system, highlighting its network of blood vessels, the role of the heart as a pump, and the function of valves to maintain unidirectional blood flow.

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Cambridge IGCSE Combined ScienceTransport in animalsCore content

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Quick explanation

Explain the circulatory system, highlighting its network of blood vessels, the role of the heart as a pump, and the function of valves to maintain unidirectional blood flow

  • This point belongs to Circulatory systems, especially Circulatory systems outcomes.
  • You need to be able to explain the circulatory system, highlighting its network of blood vessels, the role of the heart as a pump, and the function of valves to maintain unidirectional blood flow.
  • The key ideas to know are Describe, Explain, and Outline.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DescribeExplainOutline

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This objective helps connect Circulatory systems outcomes to exam-style questions, flashcards, and revision notes for Circulatory systems.

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Paper 3 structured question: Circulatory systems

Paper 3Theory (Core)2 marks

Description

Components of the Circulatory System

The circulatory system consists of the heart, blood vessels (arteries, veins, capillaries), and blood. The heart pumps blood, while valves ensure unidirectional flow.

  1. a

    Describe the role of the heart in the circulatory system.

    Aim for approximately 2 distinct marking points.

    [2]
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