With the Ninth Edition of Human Anatomy and Physiology, trusted authors Elaine N. Marieb and Katja Hoehn have produced the most accessible, comprehensive, up-to-date and visually stunning anatomy and physiology textbook on the market. Marieb draws on her career as an A and P professor and her experience completing her nursing education; Hoehn relies on her medical education and award-winning classroom instructionNtogether, they explain anatomy and physiology concepts and processes in a meaningful and memorable way.In the most extensive revision to dateDthe Ninth Edition presents information in smaller and more digestible bites, making it easier to read and navigate.