Bio 111 Exam 2 Extra Credit

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Across
  1. 2. high blood pressure
  2. 4. pressure sensor located in aorta and neck/thoracic arteries
  3. 6. liquid portion of blood
  4. 8. releases histamine in response to infection
  5. 10. volume of blood pumped by each ventricle in one minute
  6. 13. spiral bundles of contractile cardiac muscle tissue
  7. 14. relaxation
  8. 18. type O blood
  9. 19. circulation that feeds heart cells
  10. 21. alternative routes for blood delivery
  11. 22. contraction
  12. 24. pumping chamber of the heart
  13. 25. EKG - ventricular repolarization
  14. 26. heart valves that prevent backflow into the ventricles
  15. 29. EKG - depolarization of ventricles, repolarization of atria
Down
  1. 1. hormonal stimulus for erythropoiesis
  2. 3. bacteria slayer
  3. 5. force exerted on wall of blood vessel by blood
  4. 7. pacemaker of the heart
  5. 9. rapid irregular heart contractions, useless for pumping blood
  6. 10. detect drop in blood pH which causes blood pressure to increase
  7. 11. EKG - depolarization of the sinoatrial node.
  8. 12. smallest arteries, control blood flow into capillary beds
  9. 15. abnormally fast heart rate (>100 beats/min)
  10. 16. red blood cell
  11. 17. diameter only allows one red blood cell through at a time
  12. 20. major blood plasma protein
  13. 23. right atrioventricular valve - three flaps
  14. 27. receiving chamber of the heart
  15. 28. long term renal control of blood pressure manipulates this aspect of blood