Cardiovascular Vocabulary Puzzle

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Across
  1. 3. The purpose of the valves in the cardiovascular system prevent
  2. 5. A condition in which there is an increase in K+ which decreases heart rate and force of contraction
  3. 6. When the ventricular walls contract, the bicuspid and tricuspid valves
  4. 9. Tissue that forms the inner layer that contains Purkinje fibers of the heart
  5. 11. The tissue that forms the lining on the surface of the heart
  6. 12. In the middle of the thoracic cavity is a region occupied by the heart, great vessels, thymus, and trachea called
  7. 13. The “lubb” sound (first heart sounds) of the heart is caused by the ______ valves closing
  8. 14. When the left ventricle contract, blood passes into the
  9. 15. Tissue that forms the middle and thickest layer of the heart
  10. 16. Systolic blood pressure is the pressure exerted on the atrial walls when atriums
Down
  1. 1. The semilunar valves are the aortic and
  2. 2. An abnormal rate (more that 100 beats/min) is called
  3. 4. In an EKG/ECG pattern, the P wave is caused by the ______ of atrial muscle fibers
  4. 7. Oxygen rich blood is carried by which circuit
  5. 8. Impulses from the cerebrum or ______________ may influence heart rate through emotions
  6. 10. An abnormal rate (less than 60 beats/min) is called