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This chapter introduces the study of anatomy and physiology. By definition, anatomy is the study of internal and external structure. Physiology is the study of how living organisms perform the various functions of life. Many important concepts are introduced in Chapter One, including an introduction to the organ systems, body sections, body regions and body cavities, and significance of homeostasis. The chapter ends with an introduction to anatomical landmarks and directional references. Review of Chapter Objectives (with page no. references to text): 1. Describe the basic functions of living organisms. (p. 2) 2. Define anatomy and physiology, and describe the various subspecialties of each discipline. (pp. 2–3) 3. Identify the major levels of organization in living organisms. (pp. 3–5) 4. Identify the organ systems of the human body and the major components of each system. (p. 4) 5. Explain the significance of homeostasis. (p. 5) 6. Describe how positive and negative feedback are involved in homeostatic regulation. (p. 12) 7. Use anatomical terms to describe body sections, body regions, and relative positions. (pp. 17–18) 8. Identify the major body cavities and their subdivisions. (pp. 16, 20)
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