Physicians around the world are familiar with Johannes Rohen’s books on human anatomy. In this his last major work, Rohen presents the fruits of his lifelong study of the human organism. Viewing the various organs and organ systems in the context of the organism as a dynamic whole, Rohen arrives at new and profound insights. This book significantly supplements and expands the concepts of general anatomy and offers a new basis for approaching the interaction of body and soul. It not only conveys information but also awakens the reader’s astonishment and joy at the unique nature of the human being.