Get the edge in physiology class with HUMAN PHYSIOLOGY: FROM CELLS TO SYSTEMS. Author Lauralee Sherwood has streamlined physiological study without dumbing it down by organizing the material around one central human process: homeostasis. In addition to the easy-to-understand text, Sherwood ties physiological study to real world scenarios in fields like pathophysiology and clinical physiology. HUMAN PHYSIOLOGY: FROM CELLS TO SYSTEMS is the text you need to succeed in physiology class and get ready for health-related careers.