B3 Organisation & the Digestive System – Full 7 Lesson Bundle (AQA GCSE Biology & Combined Science) | PowerPoints, Worksheets, Required Practical, Exam Prep

AQA GCSE Biology – B3 Organisation & the Digestive System FULL UNIT (7 Lessons) (2026 Updated) | 8461 & 8464 | Free AI Long-Answer Marking Included Fully editable 7-lesson bundle covering the complete B3 Organisation & the Digestive System unit for AQA GCSE Biology (8461) and Combined Science Trilogy (8464). Fully updated for 2026 and precisely aligned to the AQA specification, this bundle includes high-quality lesson slides, scaffolded worksheets (Foundation → Higher), retrieval activities, exam-style practice and model answers — all ready to teach. Includes FREE AI Long-Answer Marking Students can submit extended responses online and receive instant AQA-aligned feedback to improve structure, scientific vocabulary and reasoning — ideal for 4–6 mark digestion and enzyme questions. =========================================== WHAT’S INCLUDED – 7 FULL LESSONS =========================================== ⭐ B3.1 – Tissues & Organs Introduction to biological organisation: cells → tissues → organs → organ systems. ⭐ B3.2 – The Human Digestive System Structure and function of digestive organs; mechanical vs chemical digestion. ⭐ B3.3 – The Chemistry of Food Biological molecules (carbohydrates, lipids, proteins), food tests, energy calculations and required practical support. ⭐ B3.4 – Catalysts & Enzymes Enzyme structure, active site, lock-and-key model, denaturation, optimum conditions; exam-style graph interpretation. ⭐ B3.5 – Factors Affecting Enzyme Action Temperature, pH, collision theory, enzyme–substrate complexes, analysing curves and experimental data. ⭐ B3.6 – How the Digestive System Works Digestion pathway, peristalsis, role of bile, enzyme locations, villi structure and absorption. ⭐ B3.7 – Making Digestion Efficient Adaptations for absorption; villi and microvilli; bile emulsification; surface area and efficiency. =========================================== EACH LESSON INCLUDES: =========================================== • Editable PPTX slides with clear diagrams and step-by-step explanations • Scaffolded worksheets for Foundation and Higher tiers • Retrieval starters, AfL checkpoints and exit tickets • Practical worksheets (food tests and enzyme investigations) • Graph and data interpretation tasks • AQA-style exam questions (2–6 marks) with mark schemes and model answers • Homework quizzes and revision sheets • Complete teacher answer keys =========================================== WHY TEACHERS CHOOSE THIS BUNDLE: =========================================== • Zero prep – ready to teach immediately • Fully aligned to AQA GCSE Biology (8461) & Combined Science Trilogy (8464) • Clear Foundation → Higher differentiation • Strong exam focus (graphs, data analysis, extended writing) • Practical skills supported with technician-friendly structure • Print-friendly and fully editable =========================================== FORMAT: =========================================== • PPTX lesson slides • DOCX / PDF worksheets and assessments • Fully editable and classroom ready =========================================== SPECIFICATION ALIGNMENT: =========================================== • AQA GCSE Biology (8461) • AQA Combined Science Trilogy (8464) • Suitable for both Foundation and Higher tiers High-quality, classroom-tested and designed to make B3 clear, structured and exam-ready.