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Edexcel GCSE Combined Science Topic 8 Exchange and Transport in Animals – Learn Guide

Course Content

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1.1 What needs to move?

1.2 Surface area to volume ratio

1.3 Practice: Transport and exchange surfaces

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2.1 The breathing system

2.2 How alveoli are adapted

2.3 Practice: Gas exchange in the lungs

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3.1 Plasma and red blood cells

3.2 White blood cells and platelets

3.3 Practice: Blood

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4.1 Arteries and veins

4.2 Capillaries and comparing vessels

4.3 Practice: Blood vessels

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5.1 Structure of the heart

5.2 Circulation and cardiac output

5.3 Practice: The heart and cardiac output

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6.1 Respiration releases energy

6.2 Anaerobic respiration and comparing

6.3 Practice: Aerobic and anaerobic respiration

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7.1 The respirometer

7.2 Processing the results

7.3 Practice: Core practical: rate of respiration

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8.1 Mixed retrieval

8.2 Exam practice