Review: Cardiovascular System

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Across
  1. 4. The heart is found in this body cavity
  2. 5. The chordae tendineae found with AV valves is sometimes called this due to its appearance
  3. 7. The largest vein returning blood from the lower half of the body is the ______ vena cava
  4. 8. The number on "bottom" of a blood pressure reading
  5. 11. Valves between the atria and ventricles (tricuspid and bicuspid)
  6. 15. Carries blood away from the heart
  7. 17. Occurs when you are cold &/or your body is trying to increase blood pressure
  8. 20. The largest artery that leaves the heart
  9. 21. The oxygenated blood enters the left _______ from the pulmonary vein
  10. 22. Outermost tissue layer of the heart, made of connective tissue that covers and protects the heart
  11. 23. Arteries have a thick tunica ____________
  12. 24. Valve between the left atrium and ventricle
  13. 27. Occurs when you are hot &/or your body is trying to decrease blood pressure
  14. 28. The pressure in the blood vessels when the ventricle contracts
  15. 30. Another term for red blood cells
Down
  1. 1. Pulmonary artery carries ________ blood to the lungs
  2. 2. Middle tissue layer of the heart, made of cardiac muscle
  3. 3. Helps scabs to form & prevents uncontrolled bleeding
  4. 6. Blood from the inferior & superior vena cavas enter into this chamber of the heart
  5. 9. Valve between the right atrium & ventricle
  6. 10. When the _________ of the heart close, it creates the "lub-dub" sound of a heartbeat
  7. 12. Innermost tissue layer of the heart,made up of simple squamous epithelium.
  8. 13. Carries blood back to the heart
  9. 14. The left _______________ then pumps the oxygenated blood to the body
  10. 16. Blood collects in this chamber and is then pumped to the lungs
  11. 18. The serous membrane that encases and protects the heart
  12. 19. Pulmonary vein carries __________ back to the heart
  13. 25. The "liquid" portion of blood
  14. 26. Very small, the site of nutrient and waste exchange
  15. 29. The ____________ valves connect to the pulmonary artery & aorta