Across
- 3. sinoatrial node
- 5. When the charges return to the resting state
- 7. blood vessel in which the deoxygenated blood flows to the lungs
- 8. innermost layer of blood vessels
- 9. open space in a blood vessel
- 11. complete cycle of pumping and filling
- 14. 120/80
- 15. carry blood to the heart
- 16. blood vessel where oxygenated blood enters the heart from he lungs
- 17. electrocardiogram
- 18. high blood pressure
- 21. main artery of the body
- 22. pulse from the wrist
Down
- 1. cut in top and bottom sections
- 2. Atrioventricular Node
- 3. where all the deoxygenated blood from the upper body enters the heart
- 4. pulse from the neck
- 6. represents amount of oxygen
- 8. opening where blood flow between the right atrium to the right ventricle
- 10. muscle of the heart
- 12. where gas exchange takes place
- 13. where blood pressure is taken
- 19. First chamber of the heart where deoxygenated blood flows through
- 20. carry blood away from the heart