Across
- 5. contraction phase of the heartbeat
- 6. smallest blood vessel
- 8. dilation of the heart
- 11. condition of slow-moving heartbeat
- 13. product of catabolism
- 14. beat of the heart
Down
- 1. say something in a low, soft voice
- 2. chamber of the heart
- 3. breakdown a clot
- 4. deficient oxygen
- 7. inner lining of the heart
- 9. relaxation of the heartbeat
- 10. small artery
- 12. dimituive vein
- 14. membrane surrounding the heart