Physio Exam 3
Physio Exam 3 pericardium - ANSWER-tough membranous sac enclosing the heart parietal pericardium - ANSWER-outer layer of the pericardium pericardial cavity - ANSWER-contains fluid for the heart to float in, reducing friction visceral pericardium - ANSWER-membrane on the surface of the heart pericardium functions - ANSWER-1) cushion 2) space for heart movement 3) prevent heart overexpansion (overfill with blood) 4) reduce friction generated by heart beating 5) physical barrier to pathogens Layers of the heart wall - ANSWER-myocardium (thick muscular wall) and endocardium (thin epithelial layer of endothelial cells, continuous with vessel endothelium) heart chambers - ANSWER-right atrium, right ventricle, left atrium, left ventricle atria sit on top of ventricles why are the left ventricle walls the thickest? - ANSWER-workload of pumping blood to the entire body heart great vessels - ANSWER-Superior and Inferior Vena Cava Aorta Pulmonary A
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physio exam 3 pericardium answer tough membranou
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