Across
- 2. Abnormal heart rythms
- 4. Largest type of blood vessel
- 6. Lower chamber of the heart
- 7. Inner lining of the heart
- 9. Small vein
- 10. Largest artery in the body
- 11. Upper chamber of the heart
- 12. Beat of the heart
- 13. Smallest blood vessel
- 14. Contraction phase of the heart
Down
- 1. Double layered membrane surrounding the heart
- 3. Relxation phase of the heartbeat
- 5. Small artery
- 8. Muscular inner layer of the heart
- 11. Local dilation of an arterial wall