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Presented by Kami Dykes

Heart. Presented by Kami Dykes. Structure of the Heart. right atrium, left atrium, right ventricle, left ventricle. What are the four chambers of the heart? What are the four valves of the heart? What are the five major vessels of the heart?.

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Presented by Kami Dykes

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  1. Heart Presented by Kami Dykes

  2. Structure of the Heart right atrium, left atrium, right ventricle, left ventricle • What are the four chambers of the heart? • What are the four valves of the heart? • What are the five major vessels of the heart? tricuspid valve, bicuspid valve, pulmonary valve, aortic valve Superior vena cava, inferior vena cava, pulmonary arteries, pulmonary veins, aorta

  3. Aorta Superior vena cava Pulmonary artery Pulmonary valve Pulmonary trunk R. Pulmonary artery L. Pulmonary veins L. atruim Branches of R. pulmonary vein Bicuspid valve Chordae tendineae R. atrium Papillary muscle Tricuspid valve R. ventricle L. ventricle Inferior vena cava septum

  4. R. atrium • Superior vena cava • Aorta • Pulmonary trunk • L. atrium • R. ventricle • L. ventricle • R. pulmonary arteries • R. pulmonary veins • L. pulmonary veins • Inferior vena cava LABEL 2 8 3 10 9 4 1. 1 5 6 7 11

  5. Superior vena cava aorta R. Pulmonary arteries Pulmonary artery R. Pulmonary veins R. atrium Pulmonary veins Pulmonary valve Pulmonary trunk Tricuspid valve Bicuspid valve R. ventricle L. ventricle

  6. Epicardium Aorta Bicuspid valve Atrium Cardiac vein Coronary artery Endocardium Interventricular sulcus Atrioventricular sulcus Myocardium Pericardial cavity Pericardial sac Tricuspid valve Chordae tendineas Upper chamber of the heart Prevents blood movement from R. ventricle to R. atrium Membranes around heart Groove separating left and right ventricles Prevents blood movement from L. ventricle to L. atrium Inner lining of heart chamber Layer largely composed of cardiac muscle tissue Space containing serous fluid to reduce friction during heartbeats Drains blood from myocardial capillaries Supplies blood to heart muscle Distributes blood to body organs except lungs Groove separating atrial and ventricular portions of the heart The visceral portion of the pericardium on the surface of the heart Helps open and close the valve during contractions

  7. Valves

  8. Major veins and arteries Blood flow Vein Artery

  9. heart sounds • The first part of a heart sound, ____occurs during the ventricular_______, when the A-V valves are closing. • The second part of a heart sound, ____occurs during ventricular ______, when the pulmonary and aortic valves are closing. lubb contraction dupp relaxation

  10. The external structures of the heart include the ventricles, atria, arteries and veins. Arteries carry blood away from the heart while veins carry blood into the heart.The vessels colored blue indicate the transport of blood with relatively low content of oxygen and high content of carbon dioxide.The vessels colored red indicate the transport of blood with relatively high content of oxygen and low content of carbon dioxide.

  11. ARETERIES LABEL

  12. LABEL VEINS

  13. Identify these major vessels in this dummy. Common carotoid a. Jugular v. Subclavin a. Brachiocephalic v. Brachiocephalic a. Superior vena cava Renal a. mesenteric Renal v. Common iliac v. Common iliac a. Femoral a. Femoral v.

  14. Credits • http://www.nlm.nih.gov/medlineplus/ency/imagepages/1097.htm

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