CAIE IGCSE Biology 9.4.3 Functions of the Following Components Questions

Work through blood-component questions that connect haemoglobin with oxygen transport and white blood cells with pathogen defence and antibody production.

Exam points

link haemoglobin in red blood cells to reversible oxygen binding and transport
explain how abnormal haemoglobin or carbon monoxide reduces oxygen transport
state that white blood cells destroy pathogens by phagocytosis
state that white blood cells produce antibodies
identify platelets as the blood component that promotes clotting

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