Across
- 2. slow heart rate
- 5. fast heart rate
- 7. this node is the pacemaker for the heart
- 10. how the cardiovascular system maintains homeostasis
- 12. this vessel cannot move blood by itself
- 13. last push of blood from the atria to the ventricles
- 14. this muscle part does all the work in the heart
Down
- 1. this is how excess fluid returns to circulation
- 3. this is a cirulation bypass
- 4. what do electricity and contractility combine to do in the heart
- 6. this vessel is the site of perfusion
- 8. how the valves of the heart stay open or closed
- 9. all nutrients must be processed by this organ
- 11. this vessel controls your blood pressure