Across
- 3. smallest branches of the bronchi
- 5. veins that carry the oxygenated blood from the lungs into the left atrium of the heart
- 7. adjective describing muscles in the heart, they have stripes inside the muscles
- 11. electrical device that artificially stimulates contraction of heart muscle
- 12. hardening of fatty plaque in the arteries
- 14. the tube that connects the larynx to the lungs, also called windpipe
- 18. lethal dysrhythmia, a dying heart, heart rate below 20 bpm
- 22. hardening of the arteries
- 25. valve positioned between the right ventricle and the pulmonary artery
- 26. arteries that carry deoxygenated blood out of the right ventricle and into the lungs
- 27. circulation of blood from the heart to the lungs and back to the heart
- 29. the process happening when blood exchanges carbon dioxide and oxygen in the lungs and in the body
- 32. narrowing of blood vessels
- 33. movement of air in and out of the lungs, breathing
Down
- 1. throat
- 2. oxygen travels to the body through the blood and then the blood takes carbon dioxide back from the body to the lungs
- 4. period of time when the heart muscle is relaxed and the chambers fill with blood
- 6. the passages that send air into the lungs
- 8. machine used to recover the electrical activity of the heart
- 9. ______ disks are parts of the heart cells that hold the other heart muscle cells together
- 10. record of the electrical activity of the heart
- 13. ______ fever is a disease that can result from inadequately treated strep throat or scarlet fever.
- 15. widening of blood vessels
- 16. circulation of blood from the heart to all parts of the body and back to the heart
- 17. the main organs of the respiratory system, where you breathe into
- 19. nose area
- 20. voice box
- 21. a double layer of membranes surrounding the heart
- 23. period of time when the heart muscle is contracting
- 24. a flap of tissue that prevents blood from flowing backwards
- 28. distance between certain parts of the heartbeat on the EKG, most common ones are PR, R-R, QRS, and QT
- 30. tiny sacs in the lung that transfers gases between air and blood
- 31. arteries supplying blood to the heart muscle in the myocardium