This document provides an overview of anatomy and physiology, including: - It defines anatomy and physiology as the study of body structures and functions. - It describes the six levels of structural organization from chemical to organism. - It explains homeostasis as the maintenance of stable internal conditions and the feedback systems that regulate homeostasis. - It introduces anatomical terminology used to describe body positions, regions, directions, and planes.

1. Chapter 1: An Introduction to the Human Body Copyright 2009, John Wiley & Sons, Inc.

4. Subspecialties of Anatomy and Physiology Copyright 2009, John Wiley & Sons, Inc.

12. Table 1.2 Copyright 2009, John Wiley & Sons, Inc.

13. Table 1.2 Copyright 2009, John Wiley & Sons, Inc.

14. Table 1.2 Copyright 2009, John Wiley & Sons, Inc.

43. Directional Terms Copyright 2009, John Wiley & Sons, Inc.

50. Body Cavities Copyright 2009, John Wiley & Sons, Inc.

57. Thoracic and Abdominal Cavity Membranes Copyright 2009, John Wiley & Sons, Inc.

59. Thoracic and Abdominal Cavity Membranes Copyright 2009, John Wiley & Sons, Inc.