Across
- 7. Relaxation after contraction
- 8. Connect AV valves to papillary muscles
- 9. Pumps oxygenated blood into body
- 11. Holds heart in place in the chest cavity
- 14. Type of connective tissue valves are made of
- 16. Transports oxygen-depleted blood from upper limbs, head, and neck
- 17. Covers heart valves and tendons
- 18. Valve directing blood from the ventricles into aorta and pulmonary trunk artery
- 19. Collects blood from heart muscle
- 20. Covers the outer surface of the heart
Down
- 1. Artery where blood enters the right ventricle
- 2. Where contractions pumping blood occur
- 3. Receive blood returning to the heart
- 4. Where the heart is located
- 5. Broad end of the heart
- 6. Joins cardiac myocytes together
- 10. Valve allowing blood pumped to the lungs
- 12. Contraction of the heart
- 13. Narrow end of the heart
- 15. Surrounds the heart