3 AS Applied Science resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter AS SubjectClear filter Applied Science Exam board OCR TopicClear filter Pulmonary System Resources Revision Notes Structure and Function of the Lungs AS, Applied Science Revision notes Alveoli and Gas Exchange AS, Applied Science Revision notes Monitoring the Lungs AS, Applied Science Revision notes Search again