ALL OF EDEXCEL GCSE 9-1 BIOLOGY (2025) ⭐PAPER 2⭐ | Triple Award | GCSE Biology Revision

TOPIC TIMINGS: Photosynthesis 0:49 Specialised Plant Cells 4:14 Transpiration 6:23 Translocation 10:45 Leaf Structure 11:54 Adaptations To Extreme Climates 14:41 Auxins (Plant Hormones) 18:04 Adrenalin and Thyroxine 20:14 The Menstrual Cycle 21:31 Contraception 23:46 IVF 27:38 Homeostasis 29:01 The Kidneys 34:15 Breathing and Gas Exchange 38:27 Components of the Blood 40:21 White Blood Cells 41:42 Arteries, Veins and Capillaries 43:01 Circulatory System 44:10 Respiration 49:47 Ecology 52:17 Human Impact on Biodiversity 59:32 Food Security 1:01:49 Carbon Cycle 1:01:57 Nitrogen Cycle 1:03:27 Water Cycle 1:05:29 Fertilisers 1:07:25 These videos are designed to help with your GCSE biology revision. To keep up to date with my Science with Hazel videos and support: Visit my website: www.sciencewithhazel.co.uk Follow me on Instagram:   / sciencewithhazel   Add me on Snapchat:   / sciencewithazel   Like my Facebook page:   / sciencewithazel   Hazel completed her undergraduate degree at St John's College, the University of Cambridge. She then did a PGCE (Post-Graduate Certificate of Education) before qualifying as a science teacher. She now works full time as a professional tutor.