Free Download Marieb Human Anatomy & Physiology PDF
Download Buku Marieb Human Anatomy & Physiology Edisi 9 PDF
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Preface
Interrelationships of body organ systems. The fact that nearly all regulatory mechanisms require interaction of several organ systems is continually emphasized. For example, Chapter 25, which deals with the structure and function of the urinary system, discusses the vital importance of the kidneys not only in maintaining adequate blood volume to ensure normal blood circulation, but also in continually adjusting the chemical composition of blood so that all body cells remain healthy. The unique System Connections feature is the culmination of this approach and should help students think of the body as a dynamic community of interdependent parts rather than as a number of isolated structural units.
Interrelationships of body organ systems. The fact that nearly all regulatory mechanisms require interaction of several organ systems is continually emphasized. For example, Chapter 25, which deals with the structure and function of the urinary system, discusses the vital importance of the kidneys not only in maintaining adequate blood volume to ensure normal blood circulation, but also in continually adjusting the chemical composition of blood so that all body cells remain healthy. The unique System Connections feature is the culmination of this approach and should help students think of the body as a dynamic community of interdependent parts rather than as a number of isolated structural units.
Introduction
Two complementary branches of science anatomy and physiology provide the concepts that help us to understand the human body. Anatomy studies the structure of body parts and their relationships to one another. Anatomy has a certain appeal because it is concrete. Body structures can be seen, felt, and examined closely. You don’t need to imagine what they look like. Physiology concerns the function of the body, in other words, how the body parts work and carry out their life-sustaining activities. When all is said and done, physiology is explainable only in terms of the underlying anatomy. To simplify the study of the body, when we refer to body structures and/or physiological values (body temperature, heart rate, and the like), we will assume that we are talking about a healthy young (22-year-old) male weighing about 155 lb (the reference man) or a healthy young female weighing about 125 lb (the reference woman).
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