Chapter 10

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Anonymous
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173209
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Chapter 10
Updated:
2012-09-25 01:59:10
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Cardiovascular System
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Cardiovascular System
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  1. MEDIASTINUM
    In the thoracic cavity cradled between the lungs.
  2. Precordium
    the area of the chest covering the heart
  3. Pericardium
    The thin double walled membranous sac that surrounds the heart
  4. PERIETAL PERICARDIUM
    The outer covering of the sac.
  5. VISCERAL PERICARDIUM
    The inner layer of the sac. The thin tight covering over the heart surface.
  6. PERICARDIAL CAVITY
    The small space betweent eh two layers.
  7. THREE LAYERS OF THE HEART
    • Epicardium- Outer layer
    • Myocardium- Middle muscular layer
    • Endocardium- Inner layer
  8. UPPER CHAMBERS
    Left and Right Atria-Receiving chambers
  9. Lower Chambers
    Left and Right Ventricles- The pumping chambers
  10. Septum
    Wall betweent the left and right side of the heart
  11. INTERATRIAL SEPTUM
    Dividing the Atria
  12. Interventricular Septum
    Dividing the ventricles
  13. Superior Vena Cava
    Brings blood from the head, thorax, and upper limbs.
  14. Inferior Vena Cava
    Brings blood from the trunk, abdominal viscera, and lower limbs.
  15. Tricuspid Valve
    A valve that deoxygenated blood passes through.
  16. Pulmonary Arteries
    Carries oxygen poor blood to the capilary network of the lungs.
  17. Pulmonary Circulation
    The circulation of the blood from the heart to the lungs for oxygenation and back to the heart 
  18. Pulmonary veins
    The veins that return oxygenated blood to the heart.
  19. Systemic Circulation
    The circulation of the blood from the heart to all parts of the body and back to the heart
  20. Coronary Arteries
    Supply blood to the heart muscle
  21. Conduction System
    Methodically generates and conducts electrical impulses throughout the myocardium, and creates the rhythmic contraction of the heart.
  22. Arteries
    Large thick walled vessels that carry blood away from the heart
  23. Artereoles
    Thin walled arteries composed of smooth muscle carry blood to the capillaries
  24. Capillaries
    Allow for the exchange of material between the blood and the tissue fluid surounding the body cells
  25. Venules
    The smallest veins which collect deoxygenated blood from the cells for transport back to the heart
  26. Cardiac Cycle
    One cardiac cycle is equivalent to one complete heart beat
  27. Systole
    Phase of the cardiac cycle forcing blood out of the heart
  28. Diastole
    Phase of the cardiac cycle allowing the heart to refill with blood
  29. Pulmonary Artery 
    Carries blood back to the lungs for oxygenation
  30. Blood pressure
    The pressure exerted by the blood on the walls of the arteries
  31. Systolic Pressure
    Maximum Pressure
  32. Diastolic Pressure
    Minimum Pressure
  33. Arrhythmia
    Any deviation from the normal pattern of the heartbeat

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