Across
- 3. specialized conducting fibers
- 5. slows heart rate
- 7. node pacemaker of heart
- 8. increases heart rate
- 11. blood in ventricles after contraction
- 12. closure of AV valves
Down
- 1. increases contractility
- 2. relaxation of chambers
- 4. stimulates isovolumetric contraction
- 6. ventricular repolarization
- 9. end diastolic volume
- 10. atrial depolarization