Principles of Anatomy & Physiology is a comprehensive guide to the foundational concepts in human anatomy and physiology. Authored by Gerard J. Tortora, this 13th edition offers detailed explanations and insights into the complex structures and functions of the human body. Published by Wiley in January 2011, it spans 1344 pages, making it a thorough resource for students and professionals alike. The book covers essential topics such as cell structure and function, muscle physiology, nerve impulse transmission, and more. With its clear and accessible writing style, the text is designed to help readers understand the intricate relationships between various systems in the human body. Whether used for academic study or professional reference, this edition remains a valuable tool in the field of anatomy and physiology.