Across
- 2. ear shaped protrusion over the atria
- 7. connects arteries and veins
- 10. large artery that exits the heart
- 11. separates the left atrium and ventricle
- 13. inferior cavities of the heart
- 15. most superficial layer of the heart
- 16. part of the cardiac cycle when the heart relaxes
- 18. superior cavities of the heart
- 19. separates the right atrium and ventricle
Down
- 1. frequency of hearts contractions
- 2. bottom tip of the heart
- 3. thick middle layer of the heart
- 4. heart strings
- 5. Carries blood from the heart to the body tissues and back
- 6. blood vessel that carries blood towards the heart
- 8. blood vessel that carries blood away from the heart
- 9. protective tissue surrounding the heart
- 12. Carries blood from the heart to the lungs and back again
- 14. deepest layer of the heart
- 17. part of the cardiac cycle when the heart contracts