Across
- 3. valve that makes whistling sound
- 7. cardiac muscle cells grouped together
- 9. volume of pumped blood by each ventricle per beat
- 11. last phase of diastole of the cardiac cycle
- 12. pathway that connects SA node to AV node
- 15. external membrane that is thin and covers the heart
- 17. fibers of cardiac pacemaker cells that extend from the bundle of His
- 21. side of the heart that has the most muscle
- 22. valve that makes swishing sound
- 23. heart walls middle layer
- 24. number of valves in heart
- 25. atrium that receives oxygen poor blood
Down
- 1. ventricular repolarization
- 2. node only in right atrium
- 4. tissue that separates ventricles from atria
- 5. atria depolarization
- 6. Ventricle depolarization
- 8. large diameter vessels formed by merging venules
- 10. endothelial tissue that lines the heart walls
- 13. carry blood from heart
- 14. abnormal heart sounds
- 16. heart’s inability of cardiac output
- 18. pathway that connects the right atrium to the left
- 19. valves that ensure 1 way blood flow
- 20. node that exhibits 50 action potentials per min