Across
- 4. Scientific name of white blood cells
- 5. Scientific name of blood platelets
- 8. An instrument used to listen to heart sounds
- 10. Pressure when the heart is relaxing
- 11. An instrument used to measure blood pressure
Down
- 1. Scientific name of red blood cells
- 2. The lower chamber of the heart
- 3. separates the left and right sides of the heart
- 6. The middle, muscular layer of the heart
- 7. Pressure when the heart is contracting
- 9. A blood vessel that carries oxygenated blood
- 12. The "watery" portion of blood
- 13. The upper chambers of the heart