respiratory and cardiovascular system

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Across
  1. 2. the condition of having too much oxygen in the blood
  2. 4. delivering blood to the body's tissues, organs, and cells
  3. 7. full name of node that generates electrical impulses that initiate and regulate the heart beat
  4. 8. the two layered sac encapsulating the heart
  5. 12. covers trachea to prevent food from entering the airway
  6. 13. the inner most later of the paricardial sac
  7. 15. corresponds to the heart's contraction
  8. 18. the respiratory system supplies the body with - ?
  9. 19. air passageway between nasal cavity and larynx
  10. 26. the condition of the pH level in the body being too low
  11. 28. leas air to alveoli
  12. 31. where the oxygen and carbon dioxide gas exchange occurs
  13. 33. the layer containing the contracting muscle of the heart
  14. 34. movement of air in and out of the lungs
  15. 36. the low end of the pH scale
  16. 38. area refered to as "anatomical dead space"
  17. 39. represents the heart's relaxation
  18. 40. the artioventricular valve on the left side the heart
  19. 41. the outer most later of the heart
  20. 43. the valve between the left ventricle and the aorta
Down
  1. 1. the outer later of the paricardial sac
  2. 3. the high end of the pH scale
  3. 5. the condition of the pH level in the body being too high
  4. 6. drawing air into the lungs aka inhalation
  5. 9. slow breathing
  6. 10. air passage between the larynx and the bronchi. cleans and warms air
  7. 11. phase where heart fills back up with blood
  8. 14. the valve between the right ventricle and the pulmonary artery
  9. 16. the inner most layer of the heart
  10. 17. fast breathing
  11. 20. the main air passage between the trachea and the lungs
  12. 21. the condition of having too little oxygen in the lungs
  13. 22. the middle later of the heart
  14. 23. the atrioventricular valve on the right side of the heart
  15. 24. filters, warms, and humidifies air upon intake. also plays a role in smell
  16. 25. the conditon of having too much carbon dioxide in the blood
  17. 27. the respiratory system eliminates ____ from the body
  18. 29. pushing air out of the lungs aka exhalation
  19. 30. phase where the heart pumps out blood through the arteries
  20. 32. contains the vocal cords and regulates air and food to the proper channels
  21. 35. the condition of not having enough carbon dioxide in the blood
  22. 37. what returns deoxygenated blood back to the heart
  23. 42. what transports oxygenated blood to the tissues