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ANATOMY%20OF%20HEART%20NOTES

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ANATOMY OF HEART NOTES HEART CHAMBERS Atria - receiving chambers Left atrium receives blood from lung Right atrium receive blood from the rest of body ... – PowerPoint PPT presentation

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Title: ANATOMY%20OF%20HEART%20NOTES


1
ANATOMY OF HEART NOTES
2
HEART CHAMBERS
  • Atria - receiving chambers
  • Left atrium receives blood from lung
  • Right atrium receive blood from the rest of
    body

3
  • Ventricles - discharging chambers
  • Right ventricle discharges blood to lungs
  • Left ventricle discharges blood to the rest of
    body

4
CIRCULATIONS
  • Pulmonary circulation
  • flow of blood to and from lungs to heart
  • Systemic circulation
  • flow of blood from rest of the body to the heart

5
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6
  • Coronary Circulation
  • Flow of blood to myocardium of heart
  • Coronary arteries supplies blood to the heart
  • Cardiac veins carries blood away from the heart
  • Blood empties into the right atrium via the
    coronary sinus

7
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8
HEART VALVES
  • Atrioventricular valves (AV valves) between
    atria and ventricles
  • Bicuspid (Mitral) valve (left)
  • Tricuspid valve (right)

9
  • Semilunar valves between ventricle and artery
  • Pulmonary semilunar valve between right
    ventricle and pulmonary trunk
  • Aortic semilunar valve between left ventricle
    and Aorta

10
  • Valves open as blood is pumped through
  • Held in place by chordae tendineae (heart
    strings) anchors valves to ventricular wall
  • Close to prevent backflow
  • Blood flow in only one direction

11
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12
MAJOR VESSELS OF HEART
  • Aorta leaves left ventricle to rest of body
  • Pulmonary trunk leave right ventricle to lungs
    branch into pulmonary arteries

13
  • Vena cava (superior and inferior) enters right
    atrium from upper and lower parts of body
  • Pulmonary veins (four) enter left atrium from
    lungs

14
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