2 AS Biology resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter AS SubjectClear filter Biology Exam board AQA All boards TopicClear filter Gas exchange Lungs alveoli pulmonary diseases Resources Crossword Flashcards Multi-tool Quizsearch Revision Cards Biology- Unit 1- Lungs & Lung Disease AS, Biology 55 flashcards lung diseases and their effects AS, Biology 4 revision cards Search again