Structure and Function of the Body, 12th edition, is a simplistic, yet comprehensive introductory anatomy and physiology textbook. The 21 chapters of the book present all the anatomy and physiology core information organized around two central and unifying themes: the complementarity of normal structure and function of the human body and homeostasis. These two core themes permeate all content areas of the text.The 12th edition of the text continues to build on the solid foundation of previous editions. The updated 4-color illustration program and centralized themes, as well as simplistic language, and solid pedagogical features provide a clear structure for student learning. Over 330 illustrations visually clarify difficult concepts. Cadaver photos provide a true visualization of the human body. Vocabulary Terms are provided at the end of each chapter, bolded within the text, and located in the Comprehensive Glossary at the end of the text. Readers can evaluate their own mastery of chapter content by doing the Collaborative Learning Activities and completing the Chapter Test and Review Questions. A Medical Abbreviations, Prefixes, and Suffixes appendix provides quick reference to common terms. Objectives clearly detail what the reader should learn from the chapter. The Outline Summary at the end of each chapter gives the reader a succinct recap of important content. The clear, straightforward writing style makes content easy to read and understand. Health and Well Being, Clinical Application, and Research, Issues, and Trends boxes help readers to apply what they have learned. Study Tips are listed at the end of each chapter, ensuring reading comprehension and review. A new chapter, Chemistry of Life, has been expanded into a full chapter, providing a solid introduction to important chemistry information. Quick Check boxes offer a way for students to check their basic reading comprehension at the end of each passage. Science Applications boxes summarize a few of the professions that make use of the concepts of the chapter to improve our quality of life.