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Transcript
Path of Blood Through The Heart Heart Chambers and Valves • • • • • • Atria or Atrium Auricles Ventricles Interatrial Septum Interventricular septum Atrioventricular Orifice Heart Chambers and Valves • Atrioventricular Valve (A-V valve) • Sulci • Atrioventricular (coronary) Sulcus • Interventricular Sulci • Tricuspid Valve • Chordae Tendineae • Papillary Muscles Heart Chambers and Valves • Pulmonary Trunk • Pulmonary Arteries • Pulmonary Valve (pulmonary semilunar valve) • Pulmonary Veins • Bicuspid Valve (mitral valve) • Aorta • Aortic Valve (aortic semilunar valve) Skeleton of the Heart • Fibrous rings with other masses of dense connective tissue found in part of the septum between the ventricles that make the skeleton of the heart. • Provide firm attachments for the heart valves • Prevents the outlets of the atria and ventricles from dilating during contraction. Path of Blood Blood from systemic circuit Superior Vena Cava and Coronary Sinus Right Atrium Right Ventricle Path of Blood cont. Pulmonary Trunk Pulmonary Arteries Alveolar Capillaries (lungs) Pulmonary Veins Path of Blood cont. Left Atrium Left Ventricle Aorta Blood to systemic circuit Blood Supply to the Heart • Aorta – Coronary Arteries • Left coronary arteries – Circumflex artery – Anterior interventricular artery (left anterior descending artery) • Right coronary arteries – Posterior interventricular artery – Marginal artery • Peak Blood Flow
