This topic is included in Paper 1 and Paper 2 for CAIE A-level Biology.
Topic 9 – Gas Exchange and Smoking
Advertisement
Struggling with Biology? Find a one-to-one tutor on our new Tuition Platform.
Final exams on the horizon? Kick-start your revision with our 4-day Biology A Level
Easter revision courses for AQA and OCR (A). Book now for online
or
face-to-face in London.
Advertisement
