Bumper Circulatory System Crossword

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Across
  1. 5. Type of blood cell involved in immune response.
  2. 8. The heart's main pumping chamber.
  3. 12. Disease-fighting protein in the bloodstream.
  4. 16. The fluid that flows through the circulatory system.
  5. 17. Scientist known for blood type discovery.
  6. 18. A gas expelled during respiration.
  7. 19. The space within the chest containing the heart and lungs.
  8. 21. atrium One of the four chambers of the heart.
  9. 24. A heart's pumping chamber.
  10. 25. Physical activity for health and fitness.
  11. 26. An abnormal condition that affects health.
  12. 30. A specific blood type classification.
  13. 34. The rhythmic beating of the heart.
  14. 35. A part of the body with a specific function.
  15. 36. Tissue that contracts to produce movement.
  16. 40. The system responsible for transporting blood throughout the body.
  17. 43. A specific blood type classification.
  18. 45. Largest artery in the body, carrying oxygenated blood.
  19. 46. Blood vessel carrying oxygenated blood from the lungs.
  20. 47. Medical conditions affecting the heart.
  21. 48. Organism that lives in or on another organism.
  22. 52. Essential gas for respiration.
  23. 53. The protein in red blood cells that carries oxygen.
  24. 54. One of the four chambers of the heart.
  25. 55. Essential building block for cells and tissues.
Down
  1. 1. Microscopic organisms that can cause infections.
  2. 2. The muscular organ that pumps blood throughout the body.
  3. 3. Thick-walled blood vessel that carries blood away from the heart.
  4. 4. Blood vessel carrying deoxygenated blood to the lungs.
  5. 6. rich in oxygen.
  6. 7. Organs for breathing and oxygen exchange.
  7. 9. A cylindrical stick that can be harmful to health when lit.
  8. 10. Discovered the circulation of blood in the body.
  9. 11. Eating a variety of foods to stay healthy.
  10. 13. Tubular structures that carry blood throughout the body.
  11. 14. The process of transferring blood from one person to another.
  12. 15. Voluntary act of giving one's blood to help others.
  13. 19. The movement of blood through the body.
  14. 20. Microscopic infectious agent.
  15. 22. Small cell fragment involved in blood clotting.
  16. 23. Group of similar cells performing a specific function.
  17. 27. A substance formed by a chemical process.
  18. 28. ventricle One of the four chambers of the heart.
  19. 29. The liquid component of blood.
  20. 31. A person who conducts scientific research.
  21. 32. Large vein carrying deoxygenated blood to the heart.
  22. 33. The continuous flow of blood throughout the body.
  23. 37. A classification system for blood types.
  24. 38. Chemical messengers in the body.
  25. 39. Harmful habit linked to various health issues.
  26. 41. Blood vessel that carries blood back to the heart.
  27. 42. Microscopic organisms that can be harmful or beneficial to health.
  28. 44. Protection against diseases and infections.
  29. 49. lacking oxygen.
  30. 50. blood cell Cells that transport oxygen in the bloodstream.
  31. 51. Substances needed for growth and health.