Across
- 3. The circulation of blood between heart and lungs.
- 7. Blood vessels rupture and the brain receives no oxygen.
- 9. Build up of plaque that leads to many heart diseases.
- 11. Transports blood throughout the body.
- 13. Chamber receives oxygen-poor blood and pumps it to the lungs.
- 15. Upper chamber.
- 16. The _____ system comprises of heart, blood, and blood vessels.
- 21. Primarily made of cardiac muscle.
- 22. The word means "blood vessel."
Down
- 1. Abnormally high blood pressure.
- 2. Carries blood away from heart.
- 4. Prevents the flow of blood backwards.
- 5. Decreased blood supply causes heart to stop.
- 6. The circulation of blood throughout the body.
- 8. Carries blood to heart.
- 10. Strongest chamber that pumps oxygen-rich blood to body.
- 12. Heart does not pump enough blood to meet body's need.
- 14. The word means "heart."
- 17. Chamber receives oxygen-poor blood.
- 18. Lower chamber.
- 19. Allows the exchange of gases and nutrients.
- 20. Chamber receives oxygen-rich blood from lungs.