Across
- 4. single layer of flat cells lining blood vessels
- 5. Measures a fluid resistant to flow
- 8. rapid resting heart rate over 100beats/min
- 9. artery narrowing condition
- 10. Deliver blood to capillaries
- 15. instrument used to measure blood pressure.
- 16. Blood pressure regulators
- 17. Smooth muscles in the blood vessel relax
- 18. Decrease in the diameter of the blood vessels lumen
- 19. carry blood to the heart
- 22. Exchange of substance between blood and body tissues
- 23. force of blood recorded during ventricular contraction
Down
- 1. indicates a slow resting heart or pulse rate under 50beats/min
- 2. small veins that carry blood from capillaries to veins
- 3. Valve located close to the heart
- 6. Persistently low blood pressure
- 7. monitor blood levels of carbon dioxide and oxygen
- 11. ability of tissue to automatically adjust it’s blood flow to match metabolic demads
- 12. Largest artery
- 13. Persistently high blood pressure
- 14. an artery supplying brain with blood
- 20. alternate expansion and elastic recoil of artery with each heartbeat
- 21. Carry blood away from the heart
- 24. Failure of cardiovascular system to deliver oxygen and nutrients