Chapter 13 The Heart

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Across
  1. 4. the smaller chambers located at the top of the heart
  2. 8. name of the right atrioventricular valve
  3. 10. the active phase of the cardiac cycle
  4. 11. the middle and thickest layer of the heart
  5. 12. name of the left atrioventricular valve
  6. 13. the name for a relatively slow heart rate
Down
  1. 1. the larger chambers located at the bottom of the heart
  2. 2. the sac which encloses the heart
  3. 3. the resting phase of the cardiac cycle
  4. 5. the name for a relatively high heart rate
  5. 6. serous membrane that forms the outermost layer of the heart
  6. 7. name of the semilunar valve that leads to the lungs
  7. 9. name of the semilunar valve that leads to the aorta