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17 Cards in this Set
- Front
- Back
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Pericardium
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double-walled sac enclosing the heart
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Epicardium
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membrance that forms the innermost layer of pericardium and the outer surface of the heart
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Myocardium
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muscular tissue of the heart
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Atria
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upper cavities of the heart which blood passes through to the ventricles
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Ventricles
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hollow cavity in an organ that creates heart pumps
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Endocardium
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thin membrance that lines the inside of heart chambers and surface of the valves
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Pulmonary circulation
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circulation of blood between heart and lungs
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Systemic circulation
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circulation that supplies blood to all other parts of body besides lungs
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AV Valves
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valves that prevent backflow into atria when ventricles contract
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Semilunar valves
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valves that guard the base of the arteries leaving ventricular chambers
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Intrinsic Conduction
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Causes the heart muscle depolarization from atria to ventricles
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Coronary Arteries
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artery that supplies blood to heart
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Cardiac veins
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veins that drain the myocardium
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SA node
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pacemakes; controls the pace of the heart
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Fibrillation
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rapid shuddering of the heart
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systole
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Heart contraction
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Diastole
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heart relaxation
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