Cardiovascular System

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Across
  1. 2. Blood flow from the lower body returns via the _____Vena Cava; aka the posterior vena cava
  2. 4. Coronary arteries supply blood to this.
  3. 5. What is another name for the mitral valve; located between the left atrium and the left ventricle
  4. 8. These arteries, tight and left, supply blood to the kidneys
  5. 9. Where the heart is situated (position in the chest)
  6. 11. This ion can build up in the coronary circulation making the vessels stiff.
  7. 15. A narrowed opening through a heart valve.
  8. 17. What circulation route does the blood follow to supply the hear?
  9. 18. These keep blood from backflowing.
  10. 19. Any deviation from a normal heart rhythm is an ___________
  11. 20. Four of these return oxygenated blood to the heart..
  12. 21. Vessel that returns oxygenated blood from the lungs to the heart
Down
  1. 1. What is the type of circulation that supplies the brain with oxygen and nutrients.
  2. 3. Outermost layer of the wall of the heart.
  3. 4. What is the name of the portal vein that drains the organs oaf the digestive tract and continues to the liver?
  4. 6. an abnormal fluttering or humming sound of the heart.
  5. 7. The hollow core of a blood vessel is called?
  6. 10. The grove that separates the atria from the ventricles is known as the coronary ________
  7. 12. Microscopic vessels composed of simple squamous epithelial cells are called?
  8. 13. The second layer of the heart muscle wall.
  9. 14. Inadequate blood flow to the heart can cause an ______
  10. 16. Term meaning to repair or reconstruct.