This simplified text book of radiographic anatomy and physiology presents the anatomical structure and the relationships of internal components of human body and their basic physiological mechanisms for medical imaging students, to facilitate their understanding of the radiographic anatomy of human body, and the interactions of its different systems together to support the functions of life as well as to conceptualizing spatial relationships of anatomic structures, in a simple, easy way.Great care has been taken in the presentation of the content of this book to ensure that most of the radiological appearances are described in an easy and direct way to meet the basic requirement of medical imaging students.It is my sincere hope that the readers this simplified text book will find enjoy it fully and find it useful for their basic knowledge, and I hope that it will facilitate their future daily practice, and thereby improve the medical service for their patients.