Across
- 2. serous membrane that surrounds the heart
- 3. this valve is between the right atrium and ventricle
- 6. cardiac arteries that feed the heart branch directly off of the ___
- 7. found in veins to ensure the direction of blood flow
- 9. blood pressure is almost 0 in this vessel
- 10. the outer layer of a vessel is the tunica ___
- 14. pulse can only be felt in these vessels
- 15. volume of blood pumped in 1 minute (2wd)
- 16. name for the point of the heart (2wd)
- 18. contraction of the heart muscle
- 19. the amount of blood ejected from the heart in one beat (2wd)
- 20. electrical connectors between heart muscle fibers (2wd)
- 21. structure that keeps blood flowing in the correct direction
- 22. ECG tracing that indicates repolarization of the ventricles (2wd)
- 23. tricuspid and pulmonary valves are on the ___ side
- 25. the first heart sound is the closing of the ___ (2wd)
- 28. the "pacemaker" for the heart (2wd)
- 29. this part of the ECG tracing shows repolarization of the atria
Down
- 1. medical term for heart attack (2wd)
- 4. as blood thickness (viscosity) drops, blood pressure ___
- 5. each complete heartbeat (2wd)
- 8. these heart chambers have the thickest walls
- 9. vessels that carry blood away from the heart
- 11. the first vessel in systemic circulation
- 12. last structure in heart conduction, causes ventricular contraction (2wd)
- 13. ECG tracing that indicates depolarization of the ventricles (2wd)
- 17. 2nd capillary system, recieves blood from digestive system, maintains glucose levels
- 18. this part of circulation starts in left ventricle and ends in right atrium
- 24. relaxation of the heart
- 26. the pulmonary vein returns blood to the ___ (2wd)
- 27. ECG tracing that indicates depolarization of the atria (2wd)