Circulatory System

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Across
  1. 1. Circulatory path from heart to lungs and back
  2. 5. Plasma carries these to help with cell function
  3. 6. Artery that carries deoxygenated blood to the lungs
  4. 7. Major vein returning blood to the heart
  5. 8. Pumps deoxygenated blood to the lungs
  6. 10. ECG signal showing ventricular contraction
  7. 12. Circulatory path from heart to body and back
  8. 16. Plasma carries these to cells for energy
  9. 18. The liquid portion of blood that carries CO2 and nutrients
  10. 19. Gas removed in lungs
  11. 22. Scientific name for heart muscle tissue
  12. 24. Main function of pulmonary circuit
  13. 25. Plasma carries these to regulate body functions
  14. 26. ECG feature showing atrial contraction
  15. 27. Valve blood passes through before entering the aorta
  16. 28. Carry signal from AV node through the septum
  17. 32. Protein in RBCs that binds oxygen
  18. 33. Largest artery delivering blood to the body
  19. 36. Contain hemoglobin and carry oxygen throughout the body
  20. 37. Heart's natural pacemaker; starts electrical impulse
  21. 38. Vein carrying oxygenated blood to the heart
  22. 39. Valve between left atrium and left ventricle
Down
  1. 1. Spread electrical signal through ventricles
  2. 2. Valve between the right atrium and ventricle
  3. 3. Separates oxygenated and deoxygenated blood in the heart
  4. 4. Circuit that feeds the heart muscle itself
  5. 9. Defend the body against pathogens
  6. 11. Sound made by closure of AV valves
  7. 13. Chamber receiving blood from pulmonary vein
  8. 14. Help with blood clotting and wound repair
  9. 15. Sound made by closure of semilunar valves
  10. 17. Plasma helps with this body temperature function
  11. 20. Gas absorbed in lungs
  12. 21. ECG signal showing reset of heart's electrical system
  13. 23. ECG flat line allowing ventricles to fill
  14. 29. Site of gas exchange in the circulatory system
  15. 30. Machine that records heart's electrical activity
  16. 31. Receives signal from SA node with slight delay
  17. 34. First heart chamber to receive deoxygenated blood
  18. 35. Pumps oxygenated blood into the aorta
  19. 37. ECG signal showing full ventricular contraction