GCSE Biology – Kidney Dialysis (Treatment for Kidney Failure)

GCSE Biology – Kidney Dialysis (Treatment for Kidney Failure) This GCSE Biology video explains how kidney dialysis works clearly and simply for exam success. In this video, GCSE students learn what kidney dialysis is and how it is used to treat kidney failure in GCSE Biology. The lesson explains why dialysis is needed when kidneys stop working properly, how dialysis fluid is used, and how substances such as urea, excess salts, and water are removed from the blood by diffusion. Students also learn how dialysis maintains the correct concentration of useful substances like glucose and ions. This video is designed for GCSE Biology revision and supports students studying AQA GCSE Biology, OCR GCSE Biology, and Edexcel GCSE Biology. It is suitable for Year 9, Year 10, and Year 11 students and covers a key part of the homeostasis and excretion topic. Students will develop understanding of kidney function, dialysis machines, diffusion, concentration gradients, advantages and disadvantages of dialysis, and common GCSE Biology exam questions on treating kidney failure. GCSE Biology exam topic: homeostasis and excretion. Supports AQA, OCR, and Edexcel GCSE Biology revision on kidney failure, dialysis, diffusion, and maintaining internal balance. Related topics include the kidneys, nephrons, osmosis, urine formation, kidney transplants, and organ failure treatments.