3 GCSE Biology resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter GCSE SubjectClear filter Biology Exam board OCR TopicClear filter reducing and preventing disease Resources Revision Notes Biology B6 (14) GCSE, Biology Revision notes Biology B6 (14) GCSE, Biology Revision notes Biology B6 (14) GCSE, Biology Revision notes Search again