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CAIE IGCSE Biology 9.4.3 Functions of Blood Components

Practise matching red cells, white cells, platelets and plasma to oxygen transport, defence, clotting and transport.

Syllabus
2026–2028
Course
Biology 0610

Exam points

  • link haemoglobin in red blood cells to reversible oxygen binding and transport
  • link phagocytes to engulfing pathogens, lymphocytes to antibodies and platelets to clotting
  • state that plasma transports cells plus dissolved nutrients, hormones, carbon dioxide and urea

9.4.3—Functions of the following components question 1

[Maximum number: 1]

Fig. 3.1 is a diagram of alveoli and associated blood vessels.

Fig. 3.1

Fig. 3.1

State the name of the component of blood that transports oxygen.

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