B4 Crossword

1234567891011121314
Across
  1. 6. Starts the process of blood clotting
  2. 7. Where the pacemaker is located
  3. 8. Process of engulfing and digesting foreign particles
  4. 12. Could be caused by infection or trauma
  5. 13. Produces and secretes antibodies
  6. 14. Wall of the heart
Down
  1. 1. Delivers oxygen and glucose to cells of the heart
  2. 2. Takes blood to the lungs
  3. 3. Has a high pressure and no valves
  4. 4. Relatively cheap and reduce blood cholesterol
  5. 5. Transports oxygen around the body
  6. 9. 4-chambered organ
  7. 10. qulapse
  8. 11. Prevents valves from inverting