Across
- 4. Contraction phase where pressure rises, but no blood ejected.
- 6. Law stating increased stretch increases contraction force.
- 7. Part of autonomic nervous system increasing heart activity.
- 10. Volume of blood in ventricle at the end of diastole.
- 12. Electric shock to restore normal heart rhythm.
- 14. To listen to heart sounds using a stethoscope.
- 17. One complete heartbeat, including systole and diastole.
- 21. Phase where blood is pushed into aorta or pulmonary trunk.
- 23. Resistance the ventricles must overcome to eject blood.
- 24. Affecting the force of heart contractions.
- 25. Sounds produced by closing of heart valves.
- 26. Number of heartbeats per minute.
- 27. First heart sound; closure of AV valves.
- 28. Part of autonomic nervous system decreasing heart activity.
- 29. Third heart sound; may be normal or indicate pathology.
- 30. Contraction phase of the cardiac cycle.
Down
- 1. Force of contraction at a given preload.
- 2. Volume of blood ejected per heartbeat.
- 3. Amount of blood pumped by a ventricle per minute.
- 4. Relaxation phase before refilling begins.
- 5. Diagram showing pressure, volume, and ECG events of cardiac cycle.
- 8. Stretch of ventricular walls prior to contraction.
- 9. Stage where ventricles fill with blood.
- 11. Affecting the heart rate.
- 13. One complete heartbeat, including contraction and relaxation phases.
- 15. Fourth heart sound; usually abnormal, associated with stiff ventricle.
- 16. Cessation of electrical and mechanical heart activity.
- 18. Percentage of end-diastolic volume ejected per beat.
- 19. Physical events associated with cardiac contraction.
- 20. Volume of blood returned to the heart.
- 22. Volume of blood left in ventricle after contraction.
- 30. Second heart sound; closure of semilunar valves.