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Competency: Analyze the anatomy and physiology of the circulatory system.

Unit H: Circulatory System. Competency: Analyze the anatomy and physiology of the circulatory system. Specific Objectives:. Explain the structure of the heart. STRUCTURES. Heart Arteries Veins Capillaries Blood and lymph are part of circulatory system.

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Competency: Analyze the anatomy and physiology of the circulatory system.

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  1. Unit H: Circulatory System Competency: Analyze the anatomy and physiology of the circulatory system.

  2. Specific Objectives: • Explain the structure of the heart.

  3. STRUCTURES • Heart • Arteries • Veins • Capillaries • Blood and lymph are part of circulatory system http://faculty.plattsburgh.edu/david.curry/NUR464/Circul2.gif

  4. SIZE SHAPE and LOCATION • Muscular organ • Size of a closed fist • Weighs 12-13 oz • Location – thoracic cavity • APEX – conical tip, lies on diaphragm, points left http://upload.wikimedia.org/wikipedia/commons/4/45/Illu_systemic_circuit.jpg

  5. STETHOSCOPE an instrument used to hear (auscultate) the heartbeat. lubb dupp, lubb dupp, lubb dupp

  6. LAYERS OF THE HEART

  7. PERICARDIUM pericardiumdouble layer of fibrous tissue that surrounds the heart http://www.nlm.nih.gov/medlineplus/ency/images/ency/fullsize/18081.jpg

  8. Myocardium cardiac muscle tissue http://www.texasheart.org/HIC/Topics/images/myocard.jpg

  9. Endocardium smooth inner lining of the heart The endocardium of this right ventricle is thickened, white, and glistening. http://www.texasheart.org/HIC/Topics/images/myocard.jpg

  10. SEPTUM – partition (wall) that separates right half from left half http://www.columbiasurgery.org/pat/cardiac/img/novartis_212.gif

  11. Superior and Inferior Vena Cava bring deoxygenated blood to the right atrium.

  12. Pulmonary artery – takes blood away from the right ventricle to the lungs to pick up O2

  13. Pulmonary veins – Bring Oxygenated blood from the lungs to the left Atrium. http://www.infomat.net/infomat/focus/health/health_curriculum/images/heart.gif

  14. Aorta Takes the oxygenated blood away from the left ventricle to the rest of the body

  15. Chambers and Valves SEPTUM – partition (wall) that separates right half from left half http://www.columbiasurgery.org/pat/cardiac/img/novartis_212.gif

  16. Upper chambers RIGHT & LEFT ATRIUM

  17. Lower chambers RIGHT & LEFT VENTRICLES

  18. Four heart valves permit flow of blood in one direction

  19. TRICUSPID VALVE Between right atrium and right ventricle http://www.yourheart.org.uk/images/tricuspid_valve.jpg

  20. BICUSPID (MITRAL) VALVEBetween left atrium and left ventricle http://www.yourheart.org.uk/images/mitral_valve.jpg

  21. Semilunar valves are located where blood leaves the Heart. The PULMONARY SEMILUNAR VALVE & The AORTIC SEMILUNAR VALVE http://images.google.com/imgres?imgurl=http://www.skillstat.com/heartscape/heartValves.gif&imgrefurl=http://www.skillstat.com/heartscape/valves.htm&h=298&w=400&sz=20&hl=en&start=3&tbnid=M9Ji1QAnLlN9cM:&tbnh=92&tbnw=124&prev=/images%3Fq%3Dsemilunar%2Bvalves%26svnum%3D10%26hl%3Den%26lr%3D

  22. Pretend you are a valve…have your thoughts flowing in one direction, toward studying for this huge test! • When is it ?

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