Across
- 3. middle layer of the heart.
- 5. Lower chamber(s) of the heart.
- 6. Partition or wall dividing a cavity.
- 8. The body's largest artery.
- 10. electronic device put in the chest to stimulate the heart.
- 12. Inner lining of the heart.
- 14. Abnormal swishing sound caused by improper closure in the heart valves
Down
- 1. Gas that enters the blood through the lungs.
- 2. vessel that carries blood from body tissues and lungs back to the heart.
- 4. Upper chamber(s) of the heart.
- 6. contraction of the heartbeat.
- 7. Relaxation phase of the heartbeat.
- 9. Small artery.
- 11. The smallest type of blood vessel.
- 13. Beat of the heart