NOTE: This edition features the same content as the traditional text in a convenient, three-hole-punched, loose-leaf version. Books a la Carte also offer a great value; this format costs significantly less than a new textbook. Before purchasing, check with your instructor or review your course syllabus to ensure that you select the correct ISBN. Several versions of MyLab(TM) and Mastering(TM) platforms exist for each title, including customized versions for individual schools, and registrations are not transferable. In addition, you may need a Course ID, provided by your instructor, to register for and use MyLab and Mastering products. For one-semester Anatomy & Physiology courses. Focus on the essential what, how, & why of human anatomy & physiology With the 12th Edition of Essentials of Human Anatomy and Physiology, science educator Suzanne Keller joins bestselling author Elaine Marieb in helping learners focus on the essential What, How, & Why of A&P, without getting sidetracked in unnecessary details. Thoroughly updated with dozens of new figures, photos, and current information on medical recommendations and terminology, the 12th Edition continues to set the standard for brief, accessible one-semester A&P texts. The authors' hallmark clear and friendly writing style has been strengthened with familiar analogies and abundant mnemonic cues that help students learn and remember concepts. Continuing to offer just the right balance of anatomy, physiology, and clinical coverage, engaging new chapter previews help learners hone in on what structures and functions they are studying, how they function, and why they are important to learn. New vocabulary-building activities, a mobile-friendly eText, and Interactive Physiology 2.0 tutorials expand the options for students to use Mastering(TM) A&P as an effective practice and learning tool. Also available with Mastering A&P Mastering(TM) A&P is an online homework, tutorial, and assessment program designed to engage students and improve results. Instructors ensure that students arrive ready to learn by assigning educationally effective content before class, and encourage critical thinking and retention with in-class resources such as Learning Catalytics(TM). Students can further master concepts after class through assignments that provide hints and answer-specific feedback. With a wide range of activities available, students can actively learn, understand, and retain even the most difficult concepts. Students, if interested in purchasing this title with Mastering A&P, ask your instructor for the correct package ISBN and Course ID. Instructors, contact your Pearson representative for more information.