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Learning objective

Outline the process of double circulation in mammals.

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  • Read the explanation.
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  • Practise with linked questions.
Cambridge IGCSE BiologyTransport in animalsSupplement content

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Quick explanation

Outline the process of double circulation in mammals

  • This point belongs to Circulatory systems, especially Circulatory systems outcomes.
  • You need to be able to outline the process of double circulation in mammals.
  • The key ideas to know are Describe.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

Describe

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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 4 structured question: Circulatory systems

Paper 4Theory (Extended)2 marks

Diagram Description

Diagram of double circulation in mammals

A simplified diagram shows the heart with two sides: the right side connected to the lungs and the left side connected to the body. Arrows indicate blood flow from the body to the right side, then to the lungs, then to the left side, and finally to the body.

  1. a

    Describe Describe the process of double circulation in mammals using the diagram.

    Aim for approximately 2 distinct marking points.

    [2]
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