Across
- 2. heart valve between the right atrium and right ventricle
- 3. outermost layer of the heart wall; aka visceral pericardium
- 14. blood vessel that carries blood from the heart to the body
- 15. fast heart rate
- 16. delays the signal from the SA node slighly
- 17. delivers blood to the left ventricle
- 18. allows one-way blood flow through the heart
- 19. related to the body
- 20. contains serous fluid outside the heart
- 21. muscle layer of the heart wall
- 23. innermost layer of the heart wall
- 25. muscle that pulls on cusps via tendons
- 26. "pacemaker" cells within the right atrium
Down
- 1. location of the AV bundle
- 4. delivers needed blood to cells of conducting system
- 5. collects blood from the right atrium
- 6. abnormal heart rhythm
- 7. cavity located between lungs; contains heart
- 8. slow heart rate
- 9. ventricles relax
- 10. division of the nervous system that helps control the heart rate
- 11. blood vessel that delivers blood from the body to the heart
- 12. ventricles contract
- 13. normal rhythmic series of heart contractions
- 22. subdivision of the AV bundle that deliver impulse to the ventricles to contract
- 24. related to the lungs