HUMAN PHYSIOLOGY, Fourth Edition presents physiology as a relevant and exciting discipline emphasizing many unanswered questions to stimulate critical thinking with an investigative approach. Concise chapters offer flexibility and more diversity than competing texts. The authors, distinguished physiologists, collaborate with ten other field specialists to create the most accurate and current physiology text available. Unlike other titles in the area, each physiological system are written by a specialist in that area and the authors work to create one voice, a consistent presentation, high accuracy and up-to-date coverage. Users have come to expect the authoritative tone of this excellent textbook. Contributors in this 4th edition include: David Bell, Ph.D. of Fort Wayne Center for Medical Education Joe R. Haeberle, Ph.D. of the University of Vermont College of Medicine Stephen A. Kempson, PhD. Of Indiana University School of Medicine Bruce Martin Professor at Indiana University School of Medicine Richard A. Meiss, PhD. Indiana University School of Medicine Fredrick M. Pavalko, Ph.D. Indiana University School of Medicine Daniel E. Peavy, Ph.D. Indiana University School of Medicine George A. Tanner, Ph.D. Indiana University School of Medicine Wiltz W. Wagner, Ph.D. Indiana University School of Medicine.