Compare and contrast the carriage of oxygen and carbon dioxide in blood.

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College Answer

Candidates who scored well for this question not only had a good knowledge of the topic 
but also displayed an organised approach to their answer through the use of a tabular 
format or some other structured approach. For a good answer, candidates were expected to 
provide information on the amount (both arterial and venous blood content, partial 
pressure) and form of carriage (binding to, loading and unloading from haemoglobin, 
dissolved, as bicarbonate, etc.) of oxygen and carbon dioxide in blood