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Cambridge AS & A Level Biology

8.1The circulatory system

The circulatory system in Cambridge AS & A Level Biology: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic20 practice questions1 lesson

Learning objectives

What the syllabus expects you to be able to do.

  1. 8.1.1State that mammals have a closed double circulation of heart, blood and vessels.
  2. 8.1.2Describe the functions of the pulmonary artery, pulmonary vein, aorta and vena cava.
  3. 8.1.3Recognise arteries, veins and capillaries and make plan diagrams of arteries and veins in TS and LS.
  4. 8.1.4Relate the structures of muscular and elastic arteries, veins and capillaries to their functions.
  5. 8.1.5Recognise and draw red blood cells, monocytes, neutrophils and lymphocytes.
  6. 8.1.6Relate the solvent action and high specific heat capacity of water to its role in transport.
  7. 8.1.7State the functions of tissue fluid and describe its formation in a capillary network.

Lessons

  • The mammalian circulation, blood vessels and tissue fluid

    40 min

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Sample question

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The circulatory system: sample question

1 mark

Which feature of capillaries allows rapid exchange of substances with tissues?

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