Answers to Answers to IB Style Questions on alveoli:

Answers to IB Style Questions on Ventilation system & alveoli:Multi choice answers in boldOne mark is awarded for a correct definition – (1 mark)The diffusion of oxygen and carbon dioxide through the walls of the alveoli.(6 marks)Alveoli diagram – 1 mark for each correct structure:Also 1 mark for each function(6 marks)TOTAL = 13

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