Blood, Lymph & Tissue Fluid By Arnold

12345678910111213141516171819202122232425
Across
  1. 5. left atrium recieves blood from
  2. 6. right ventricle pumps blood into
  3. 7. two upper heart chambers
  4. 8. when all heart muscle relax
  5. 10. has a very small lumen and wall made of a single layer of cells
  6. 11. chambers on the left and right side are separated by
  7. 12. when all heart muscle contract
  8. 13. The main transport system of all mammals
  9. 17. the blood after respiration
  10. 19. valve between left atrium and ventricle
  11. 24. valve between left-hand side of the heart
  12. 25. heart muscle
Down
  1. 1. valve between on the right-hand side
  2. 2. has a thick outer wall,smooth lining,and small lumen
  3. 3. blood travels through the heart twice on one complete journey
  4. 4. tools that can measuring blood pressure
  5. 9. the blood comes from the lungs
  6. 14. two lower heart chambers
  7. 15. it is a network of tubes
  8. 16. has a fairly thin outer wall,smooth lining,and large lumen
  9. 18. the rate at which the heart beats is controlled by a patch of muscle in the right atrium called
  10. 20. the muscles of the atria relax
  11. 21. the muscles of the atria contract
  12. 22. right atrium recieves blood from
  13. 23. the heart therefore stops beating called