Chapter 9
Human
Body
Orientation
Section 9.1: Body Planes and Cavities
Section 9.2: Regions of the Body
Section 9.3: Terms of Location
Section 9.4: Body Organization
Section 9.5: Homeostasis in the Body
Introduction
Having a solid foundation in the knowledge of cells and tissues, you are now ready to study
anatomy and physiology. As you have learned, anatomy is the study of body parts, and y physiology
is the study of how body parts function. This chapter will introduce you to the basic concepts
that help students and healthcare professionals understand the human body. You will learn about
body planes, cavities, and regions. You will also learn about terms related to anatomical location,
the body’s structural organization, and homeostasis in the body.