Cardiovascular Crossword

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Across
  1. 1. This is when the ventricles contract
  2. 3. This part of the ECG indicates ventricular depolarization
  3. 8. These transmit electrical signals rapidly along the atrioventricular bundle
  4. 10. This is the predominant slower heart beat when the body is not autonomically active
  5. 14. This prevents blood from flowing back from the ventricles into the atriums
  6. 17. This system is in charge of the arterial system
  7. 18. This part of the ECG indicates the period of which the ventricles are relaxing and being filled
  8. 19. This prevents blood from flowing back from the arteries to the ventricles
Down
  1. 2. This is a hormone that contributes to increased heart rate
  2. 4. These are the smallest vessels and are the most important site for exchange of materials
  3. 5. Triggering this system will slow the heart rate
  4. 6. when this increases, fluid flow also increases
  5. 7. Fluid flow divided by the summed cross-sectional area of blood vessels
  6. 9. These cells are in charge of setting the heart rate
  7. 10. This describes the blood returning to the heart
  8. 11. This is when the ventricles are relaxed
  9. 12. Activating this system will cause an increase in heart rate
  10. 13. This is the volume of blood that is ejected with each heartbeat; liters divided by beats
  11. 15. In this phase, the ventricles are relaxed, there is no change in the volume of the ventricles and no blood flows in or out
  12. 16. This type of muscle fiber has branches and intercalated disks as opposed to skeletal muscle