Wjec Unit 3 A level biology Kidney and Homeostasis Summary notes / mindmap

Master the Kidney and Homeostasis topic with these detailed, specification-focused revision sheets for WJEC A Level Biology Unit 3: Energy and Homeostasis. Created directly from the WJEC specification, these comprehensive summary sheets bring together all the essential knowledge in a clear, organised, and visually engaging format. Complex physiological processes are simplified through concise notes, colour-coded sections, and detailed diagrams, making revision more efficient and effective. What’s included? Complete coverage of the Kidney and Homeostasis section of the WJEC specification Detailed handwritten notes and labelled diagrams Colour-coded layout for quick revision and active recall Clear explanations of key biological processes Exam-focused content and essential terminology Ideal for topic tests, mock exams, and final revision Topics covered include: * The concept of homeostasis * Negative feedback mechanisms * Structure and function of the kidney * Gross structure of the nephron * Ultrafiltration in the Bowman’s capsule * Selective reabsorption * Water potential and osmoregulation * The role of the loop of Henle * Production of concentrated and dilute urine * Hormonal control of water balance * Antidiuretic hormone (ADH) * The hypothalamus and osmoreceptors * Kidney failure and dialysis * Kidney transplants * Regulation of blood glucose concentration * The roles of insulin and glucagon * Causes and symptoms of diabetes mellitus * Homeostatic responses to changing internal conditions Why choose this resource? * Saves hours of creating your own revision materials * Covers exactly what is required by the WJEC specification * Simplifies difficult concepts with diagrams and concise explanations * Helps improve recall through visual learning and organised summaries * Perfect for both comprehensive revision and last-minute exam preparation Whether you’re learning the topic for the first time or reviewing it before exams, these revision sheets provide a complete and accessible overview of the Kidney and Homeostasis section of WJEC A Level Biology Unit 3: Energy and Homeostasis.