Across
- 3. small and upper chambers that receive blood into the heart
- 4. involuntary, branched, striated, and contains intercalated discs
- 6. transports electrochemical signals
- 8. large lower chambers that send blood out from the heart
- 10. voluntary and striated muscle
- 11. voluntary and involuntary by contracting and relaxing cells
- 13. ventricles relax
- 14. a procedure done the uses a ballon to open the blocked blood vessels
- 15. carry blood towards the heart
- 16. hear the blood pulsing through
- 19. prevents deoxygenated blood in the right ventricle
- 20. uses x rays and dyes to track blood flow in the certain blood vessels
Down
- 1. blood pressure higher than normal
- 2. prevents oxygenated blood in the left ventricle from returning to the left atrium and to squeeze the lower chamber
- 5. carry blood away from the heart
- 7. ventricles contract
- 9. covers surfaces and line cavities
- 12. protects and supports and binds together other tissues and contains matrix
- 17. electrical activity
- 18. involuntary and non-striated muscle