Cardiovascular System

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Across
  1. 1. Partial or complete loss of consciousness usually caused by a decreased blood supply of blood to the brain; also called fainting.
  2. 4. Vessel that carries blood from the heart to the cells of the body.
  3. 7. Persistently elevated blood pressure.
  4. 10. Combining form that means aorta.
  5. 11. Change in vessel size that decreases blood flow.
  6. 13. The _____ semilunar valve prevents backflow of blood from the arteries back into the ventricles.
Down
  1. 1. Drugs that decrease cholesterol.
  2. 2. Returns blood to the heart.
  3. 3. -cardia
  4. 4. Combining form that means atrium.
  5. 5. Muscular layer of the heart.
  6. 6. The contraction phase.
  7. 8. Abbreviation for hypertension.
  8. 9. Receives electrical signal that causes the atria of the heart to contract.
  9. 12. _____ inhibitors decrease blood pressure and prevent vasoconstriction.