Across
- 1. Partition or wall dividing a cavity
- 2. Beat of the heart as felt through the walls of the arteries.
- 3. Relaxation phase of the heartbeat.
- 6. Small vein
- 7. Inner lining of the heart.
- 10. Largest artery in the body.
- 11. Record of the electrical activity of the heart.
- 12. Smallest type of blood vessel.
Down
- 1. Contraction phase of the heartbeat.
- 2. Double-layered membrane surrounding the heart.
- 4. Muscular middle layer of the heart.
- 5. One of two lower chambers of the heart.
- 8. Lower tip of the heart.
- 9. Abnormal swishing sound caused by improper closure of the heart valves
- 10. One of two upper chambers of the heart.