Across
- 3. volume of blood ejected from the left side of the heart in one minute
- 8. muscular tissue of the heart
- 9. regulates blood flow between the right atrium and right ventricle
- 14. between left ventricle and aorta
- 15. innermost layer of tissue that lines the chambers of the heart
- 16. phase of the cardiac cycle when the heart wall contracts
- 17. lower cavities
- 18. regulates blood flow between right ventricle and pulmonary artery.
- 21. series of myocardial contractions and relaxations
- 22. large vein carrying deoxygenated blood
Down
- 1. collects deoxygenated blood from heart muscle tissue
- 2. recording of electrical activity associated with a heartbeat.
- 4. supply blood to the walls of the heart
- 5. amount of fluid in blood
- 6. major artery that receives blood from left ventricle-
- 7. small blood vessels that connect arterioles and venules
- 10. serous membrane forms innermost layer of the heart
- 11. double wall sac containing the heart and the roots of vessels.
- 12. regulates blood flow between left atrium and left ventricle.
- 13. when the heart wall relaxes
- 19. each of the two upper cavities of the heart from which blood is passed
- 20. carry oxygenated blood away from the heart