1 Years 7-9 (KS3) Biology resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter Years 7-9 (KS3) SubjectClear filter Biology Exam board AQA TopicClear filter B6 - Diseases and how to prevent them Resources Revision Notes Preventing and treating diseases Years 7-9 (KS3), Biology Revision notes Search again