Chapter 15

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Across
  1. 2. a small knob of tissue in the lymphatic system that filters lymph, trapping bacteria and other microorganisms that cause disease
  2. 4. pumps oxygenated blood to the body
  3. 6. the pressure that is exerted by the blood against the walls of blood vessels.
  4. 12. muscular wall that separates the right and left side of the heart
  5. 13. Blood vessel that connects arterioles with venules.
  6. 14. system in which the blood is mixed with interstitial fluid and directly covers the organs
  7. 17. Fluid portion of blood
  8. 19. type of muscle located in the heart
  9. 22. a hollow, muscular organ that pumps blood throughout the body
  10. 25. soft center of bone, where most blood cells are made
  11. 26. pumps deoxygenated blood to the lungs
  12. 28. prevents the backflow of blood
  13. 30. small blood fragment that collects at sites of injury to begin the clotting process
  14. 33. Beat of the heart as felt through the walls of the arteries.
  15. 36. moves blood between the heart and the rest of the body
  16. 37. a blood cell that fights disease
  17. 38. carries blood TO the heart from the lungs; (only vein in the body that carriesoxygenated blood)
Down
  1. 1. contains oxygen-rich blood/ oxygenated blood
  2. 3. a cell in the blood that takes up oxygen in the lungs and delivers it to cells elsewhere in the body.
  3. 5. collects deoxygenated blood from heart muscle tissue empty into right atrium
  4. 7. Valve between the right ventricle and pulmonary artery.
  5. 8. major vein of the body returning blood from the upper and lower parts of the body; see the superior vena cava and inferior vena cava
  6. 9. Blood vessel that carries blood away from the heart
  7. 10. A mass of blood that forms when blood platelets, proteins, and cells stick together
  8. 11. Lower chamber of the heart
  9. 15. carries blood AWAY from the heart to the lungs; (only artery in the body that carries deoxygenated blood)
  10. 16. moves blood between the heart and the lungs
  11. 18. Complex protein on red blood cells
  12. 20. Valve between the left ventricle and aorta.
  13. 21. a network of veinlike vessels that returns the fluid that leaks out of blood vessels to the bloodstream
  14. 23. Upper chamber of the heart
  15. 24. blood vessel that connects a capillary bed to a vein
  16. 27. located in blood plasma that reacts with antigen
  17. 29. made of red blood cells, white blood cells, and platelets.
  18. 31. transfusion when one person donates blood to another
  19. 32. composed of the heart and the blood
  20. 34. Blood vessel that carries blood back to the heart
  21. 35. largest artery in the body.