Across
- 1. Gap junctions that meet adjacent cardiac muscles
- 4. The two lower chambers of the heart
- 6. A muscular organ that pumps blood
- 10. Force of circulating blood on the walls of the arteries
- 11. The narrow end of the heart
- 14. Transports deoxygenated blood from the right side of the heart to the lungs
- 15. A phase of the heartbeat where the heart pumps blood out
- 16. Outtermost tissue layer of the heart, under the pericardial cavity
- 17. The thick middle layer of the heart
- 19. Records electrical signals from the heart
Down
- 2. Covers the outer surface of the heart
- 3. Series of pressure changes that take place in the heart
- 5. The largest artery and transports blood from the heart to the body
- 7. My full name :P
- 8. The two upper chambers of the heart
- 9. A cavity that houses the heart and other organs located between the lungs
- 12. Muscle tissue layer of the heart
- 13. Innermost layer of the heart, lines the chambers
- 14. A thin fluid-filled sac around the heart
- 15. Transports oxygen-depleted blood from the upper extremities, head, and neck
- 18. A phase of the heartbeat where the muscles relax and the heart fills with blood