Revise 1.1, 1.2, 1.3 & 1.4 for a test on Wednesday 22nd September. Do remind yourselves about alveoli (just to IGCSE level).
12 Bio SL Homework Thurs 17 Sept
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Revise 1.1, 1.2, 1.3 & 1.4 for a test on Wednesday 22nd September. Do remind yourselves about alveoli (just to IGCSE level).