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30 Cards in this Set
- Front
- Back
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Blood Vessels
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vascul
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double walled membranous sac that encloses the heart
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pericardium
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surrounding
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peri
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external layer of the heart and the inner layer of the pericardium
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epicardium
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upon
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epi
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middle and thickest of the hearts three layers
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myocardium
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inner liningo f the heart
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endocardium
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tissue that makes up endocardium
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epithelial
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supply oxygen rich blood to the myocardium
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coronary arteries
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two upper chambers of the heart
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atria
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Atria are seperated by the -----------------
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interatrial septum
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wall that seperates two chambers
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septum
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receiving chambers of the heart
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left and right atrium
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pumping chambers of the heart
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left and right ventricle
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seperates the ventricles
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interventricular septum
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ventricle
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ventricul
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valves of the heart
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tricuspid, pulmonary semilunar, mtral and aortic semilunar valves
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Controls the opening between the right atrium and right ventricle
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tricuspid valve
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Located betweent he right ventricle and pulmonary artery
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pulmonary semilunar valve
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Located between the left atrium and the left ventricle
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mitral valve
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Located between the left ventricle and the aorta
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aortic semilunar valve
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Flow of blood only between the heart and lungs
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pulmonary circulation
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Carry deoxygenated blood out of the right ventricle and into the lungs. Only place where deoxygenated blood is carried by arteries
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Pulmonary arteries
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Carry oxygenated blood fromthe lungs into the left atrium of the heart. Only place in body where veins carry oxygenated blood
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pulmonary veins
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Flow of blood to all parts of the body except for the lungs
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systemic circulation
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establishes basic rhythm and rate of heart beat
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Sinoatrial node
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located on the floor of the right atrium transmits electrical impulses to the bundle of His
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atrioventricular node
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group of fibers located within the interventricular septum. Carry electrical impulses to ensure the sequence if the heart contractions
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bundle of His
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Specialized conductive fibers located within the walls of the ventricles
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Purkinje fibers
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large blood vessels that carry blood away fromt he heart
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arteries
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