Organized around the central theme of homeostasis, HUMAN PHYSIOLOGY, 9e, helps students appreciate the integrated functioning of the human body. Author Lauralee Sherwood uses clear, straightforward language, analogies, and frequent references to everyday experiences to help students learn and relate to physiology concepts. The vibrant art program and empowering digital resources—including robust 3D animations and rich homework problems—enable students to visualize important concepts and processes. By focusing on core principles and sharing her enthusiasm for the subject matter, Sherwood helps students develop a solid foundation for future courses and careers in the health professions.