Principles of Human Physiology, 4/efeatures integrated clinical coverage, challenging critical thinking questions, and a flowchart visual style that makes it easier than ever for readers to focus on key physiological processes. The new Fourth Edition now includes an even stronger focus on systems integration and clinical applications, an updated art program, and more in-chapter questions for developing critical thinking skills. In addition, features such as Chemistry Review boxes provide additional resources for readers who need them, while Toolboxes and Discovery boxes allow the option of delving into more detail about physiology topics. Introduction to Physiology, The Cell: Structure and Function, Cell Metabolism, Cell Membrane Transport, Chemical Messengers, The Endocrine System: Endocrine Glands and Hormone Actions, Nerve Cells and Electrical Signaling, Synaptic Transmission and Neural Integration, The Nervous System: Central Nervous System, The Nervous System: Sensory Systems,...