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Edexcel IGCSE Biology 9–1 Topic 2i: Excretion – Kidneys & Osmoregulation – 4 Lessons (50+ slides)

Edexcel IGCSE Biology 9–1 Topic 2i: Excretion – Kidneys & Osmoregulation – 4 Lessons (50+ slides)

Subject: Biology

Age range: 14-16

Resource type: Unit of work

Last updated

18 August 2026

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Edexcel IGCSE Biology 9–1 Topic 2i: Excretion – Kidneys & Osmoregulation – 4 Complete Lessons (50+ Slides)
Complete, exam-focused teaching resource covering Excretion, the Urinary System, Kidney Function and Osmoregulation for Pearson Edexcel International GCSE Biology (9–1). Covers specification points 2.70–2.79B, including detailed Separate Biology content on nephrons, ultrafiltration, selective reabsorption and ADH.

Designed for Separate Biology
Fully suitable for Double Award Science
Separate Biology / Paper 2 content is clearly labelled throughout
50+ teaching slides
4 fully planned lessons
Fully prepared and ready to teach

Lessons Covered
Lesson 1: Kidneys & the Urinary System
Excretion and excretory products
Structure and function of the urinary system
Kidney structure and urine composition

Lesson 2: Kidney Dissection
Practical kidney dissection
Identifying the cortex, medulla, pelvis and ureter
Linking kidney structures to their functions

Lesson 3: How the Kidneys Purify the Blood
Structure of the nephron
Ultrafiltration
Selective reabsorption
Formation and removal of urine

Lesson 4: Osmoregulation
Regulation of water levels
Role of the kidneys, brain and pituitary gland
ADH and the collecting ducts
Negative feedback and urine concentration

What’s Included
Main 50+ slide Teaching PowerPoint
Learning list matched to Edexcel specification points
Key words and definitions
Recall quizzes and AFL activities
Kidney and nephron diagrams
Kidney dissection
Blood purification and nephron activities
Osmoregulation and ADH activities
Negative feedback
Consolidation tasks
Exam-style questions with answers
End-of-topic knowledge map
Lesson Design Features

Each lesson includes:
Clear learning objectives
Starter and retrieval tasks
Teacher-led explanations
Regular checks for understanding
Student consolidation activities
Practical and application skills
Exam-style questions
Answers and plenary activities

This Resource
Written specifically for Pearson Edexcel International GCSE Biology 9–1
Separate Biology resource that can also be used for Double Award
Paper 2 / Separate Biology-only material clearly identified
Specification-checked and exam-focused
Clear, student-friendly explanations
Suitable for teaching, revision or cover
Fully classroom-ready

Get this resource as part of a bundle and save up to 28%

A bundle is a package of resources grouped together to teach a particular topic, or a series of lessons, in one place.

Bundle

Edexcel IGCSE Biology Complete Course bundle mega pack 110+ lessons

110+ COMPLETE LESSONS | FULL COURSE | DOUBLE AWARD & SEPARATE BIOLOGY A comprehensive, ready-to-teach collection of 110+ lessons covering the Pearson Edexcel International GCSE Biology (9–1) course. This complete course bundle provides a structured teaching sequence across the entire Biology specification, from the characteristics of living organisms and cell biology through to genetics, ecology and biotechnology. The resources are designed for Separate Biology and are fully suitable for students studying International GCSE Science (Double Award). Separate Biology/Paper 2-only content is clearly identified, making it straightforward to use the same resources with both courses. Units Covered Unit 1 – The Nature and Variety of Living Organisms Characteristics of living organisms, classification and the major groups of organisms. Unit 2 – Structures and Functions in Living Organisms Cells, biological molecules, enzymes, movement of substances, nutrition, photosynthesis, gas exchange, respiration, transport, excretion, coordination and response. Unit 3 – Reproduction and Inheritance Sexual and asexual reproduction, DNA, genes and chromosomes, protein synthesis, mitosis and meiosis, inheritance, variation, mutation, natural selection and evolution. Unit 4 – Ecology and the Environment Populations, ecosystems, quadrats, biodiversity, feeding relationships, energy transfer, nutrient cycles, pollution, greenhouse gases, eutrophication and deforestation. Unit 5 – Use of Biological Resources Crop production, microorganisms and food production, fermenters, yeast, fish farming, selective breeding, genetic modification, insulin production and cloning. What’s Included 110+ complete, classroom-ready lessons Extensive PowerPoint/slide-based teaching resources Content closely matched to the Pearson Edexcel International GCSE Biology specification Recall and retrieval starters Clear student-friendly explanations and diagrams Core practicals and investigative activities Practical methods, variables and experimental analysis Regular consolidation activities Sequencing, matching, word-fill and correct-the-mistake tasks Exam-style questions throughout Extended-response practice Answers and mark schemes Key terminology and definitions Opportunities for independent and collaborative learning Lesson Design Features Lessons follow a clear and consistent structure: Recall → Teach → Apply → Consolidate → Exam Practice New biological processes are broken down into manageable stages with key vocabulary highlighted throughout. Regular retrieval links new learning to previous topics, helping students build secure knowledge across the course. Practical lessons develop both practical knowledge and the skills needed to answer examination questions, including variables, controls, accuracy, reliability, data analysis and evaluation. Exam-style questions are incorporated throughout rather than being reserved solely for revision, giving students regular opportunities to apply their knowledge in an Edexcel-style context. This Resource This bundle is ideal for teachers looking for a complete International GCSE Biology course rather than purchasing individual topics or lessons separately. Suitable for: Pearson Edexcel International GCSE Biology (9–1) International GCSE Science (Double Award) Full-course teaching Departmental schemes of work Revision and intervention Cover and catch-up lessons Supporting non-specialist teachers Independent student revision With 110+ lessons covering the complete Biology course, this bundle provides a coherent set of resources that can be used from the beginning of the course through to final examination preparation.

£75.00
Bundle

Edexcel International GCSE Biology – Unit 2: Structure & Functions in Living Organisms Complete 65 Lesson Bundle Fully Planned | Exam-Ready

Edexcel International GCSE Biology – Unit 2: Structure & Functions in Living Organisms Complete Lesson Bundle | Fully Planned | Exam-Ready A comprehensive, ready-to-teach bundle covering Unit 2: Structure and Functions in Living Organisms from the Pearson Edexcel International GCSE Biology (9–1) specification. The lessons are designed to provide clear, accessible teaching of the required biological content while building recall, application, practical and examination skills throughout the unit. Designed for Double Award, with the full depth required for Separate Biology included. Separate Biology/Paper 2-only content is clearly identified where appropriate. Lessons Covered The bundle covers the major areas of Unit 2, including: Cells and biological molecules Movement of substances – diffusion, osmosis and active transport Nutrition and digestion Enzymes Photosynthesis and plant nutrition Gas exchange Respiration Transport in humans Transport in plants Excretion Coordination and response The nervous system and hormones Required core practicals and investigative skills What’s Included Fully planned, classroom-ready PowerPoint lessons Clear explanations matched closely to the Edexcel IGCSE specification Regular retrieval and recall quizzes Student-friendly diagrams and biological processes Practical methods, variables and experimental analysis Exam-style questions throughout Consolidation activities including sequencing, tables, word fills and error correction Answers and mark schemes provided Key terminology and definitions Opportunities to practise both short-answer and extended-response questions Lesson Design Features Lessons follow a consistent structure to make them straightforward to teach and easy for students to follow: Recall starter → explicit teaching → application → consolidation → exam practice Complex biological processes are broken into manageable stages, with key terminology highlighted and frequent retrieval of previous learning. Practical lessons develop students' understanding of independent, dependent and control variables, accuracy, reliability and explaining experimental results, alongside the knowledge required for the Edexcel core practicals. This Resource Ideal for teachers looking for a complete Unit 2 teaching sequence rather than individual worksheets or isolated activities. The bundle can be used for: Full classroom teaching Departmental schemes of work Revision and intervention Cover lessons Supporting non-specialist teachers Independent student revision Resources are ready to teach with no additional preparation required and are designed specifically around the demands of Pearson Edexcel International GCSE Biology 9–1.

£50.00

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