The body needs a constant supply of nutrients and water in order to survive, with water being required for the transportation of nutrients to cells and also for the transportation of waste out of the body. This practical pocket guide focuses on what you need to know to support your patients’ health and comfort. It looks at: The anatomy and physiology of the gastrointestinal system The anatomy and physiology of the renal system Elimination and associated skills Catheterisation Nutrition Hydration Fluid balance This competency-based text covers relevant key concepts, anatomy and physiology, lifespan matters, assessment and nursing skills. To support your learning, it also includes learning outcomes, concept map summaries, activities, questions and scenarios with sample answers, and critical reflection thinking points.Quick and easy to reference, this short, clinically focused guide is ideal for use on placements or for revision. It is suitable for pre-registration nurses, students on the nursing associate programme and newly qualified nurses.