Across
- 7. the inner lining of the heart.
- 8. a physician who specializes in diagnosing and treating abnormalities, diseases and disorders of the heart.
- 9. the lower tip of the heart.
- 13. transports blood from the lower portion of the body to the heart.
- 14. return blood from all body parts to the heart.
- 15. the hearts normal pacemaker.
- 16. double walled membranous sac that encloses the heart.
- 18. receives blood from the veins and pumps blood into the arteries.
- 19. brings oxygen and nutrients to the cells and carries away waste.
- 20. the most common type of white blood cells.
- 21. the external layer of the heart.
- 22. also known as white blood cells.
Down
- 1. the loss of the normal rhythm of the the heartbeat.
- 2. abnormally slow resting heart rate.
- 3. abnormally rapid resting heart rate.
- 4. medical term for a heart attack.
- 5. the middle and thickest layer of the heart.
- 6. the largest blood vessel in the body.
- 10. transport blood away from the heart to all parts of the body.
- 11. inflammation of the heart.
- 12. transports blood from the upper portion of the body to the heart.
- 17. also known as red blood cells.