PSIO 202 Lecture Notes - Lecture 1: Viscosity, Afterload, Paravertebral Ganglia

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Describe the location and functional anatomy of the heart: location: the heart lies in the mediastinum, an anatomical region that extends from the sternum to the vertebral column, between the lungs, functional anatomy, pericardium: surrounds and protects heart. 2 layers: fibrous pericardium: serous pericardium. Between layers consists of the pericardium cavity that contains serous fluid to reduce friction: layers of the heart wall. Epicardium: 2 layers, visceral layer of the serous pericardium, layer of delicate fibro-elastic tissue and adipose tissue. Myocardium: responsible for pumping action of the heart and is composed of cardiac muscle tissue. Endocardium: thin layer of endothelium overlying a tin layer of ct, provides smooth lining for the chambers and covers the valves of the heart, 2. Diagram, without references to your notes or book, the path of blood flow through the heart and lungs: superior/inferior vena cava-> r atrium -> tricuspid valve->

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