Exchange surfaces
Digestion and enzymes
Food Tests and molecules
Transport Systems in animals - circulatory system (heart, lungs, blood and blood vessels)
Transport Systems in plants - xylem, phloem, stomata, transpiration
Plant Organisation - leaf structure
Non-Communicable Diseases - CHD, cancer, diabetes type II
Revision videos are at the bottom of the page
Grade 1-4
Digestion- https://OENUIAN.exampro.net
Food Testing and molecules - https://JADEDIR.exampro.net
Exchange Surfaces - https://PUBAYYP.exampro.net
Circulatory System - https://QUJAMET.exampro.net
Plant Organisation - https://HUMYMOO.exampro.net
Non-Communicable Diseases - https://YULOEUV.exampro.net
Grade 5-6
Digestion- https://MOMEFUW.exampro.net
Food Testing and molecules - https://FYYIIUQ.exampro.net
Exchange Surfaces - https://QYYOKOT.exampro.net
Circulatory System - https://DYDEHET.exampro.net
Plant Organisation - https://DYDEHET.exampro.net
Non-Communicable Diseases - https://PUVIQOA.exampro.net
Challenge (Higher)
Digestion- https://QAHEWEC.exampro.net
Food Testing and molecules - https://IONEIOO.exampro.net
Exchange Surfaces - https://MYMESAC.exampro.net
Circulatory System - https://IOWUPIG.exampro.net
Plant Organisation - https://EEQEWEL.exampro.net
Non-Communicable Diseases - https://XUDYTOA.exampro.net
https://mmerevise.co.uk/app/uploads/2023/04/GCSE-Combined-Science-AQA-Revision-Checklist.pdf
https://www.bbc.co.uk/bitesize/topics/zwj22nb
https://www.youtube.com/watch?v=DJ0lZGkDx6A&list=PL7O6CcKg0HaGnykp12D8yVee_SEQdaEHH&index=12
https://www.freesciencelessons.co.uk/gcse-biology-paper-1/organisation/