Created by:Michelle.B Completed by: Aniya

1234567891011121314151617181920
Across
  1. 1. Blood circulation inside closed transport systems
  2. 3. Y-shaped proteins secreted by WBCs that attach to antigens
  3. 5. Smooth muscle & elastic tissue
  4. 8. Event of one heart
  5. 12. closing of AV valves
  6. 14. Blood cell formation
  7. 16. Clumping is caused by antibodies binding to aantigenson RBC's
  8. 17. Volume of blood pumped by one ventricle with each beat
  9. 19. Sinoatrial node pacemaker of the heart
Down
  1. 2. Graphic record of heart activity
  2. 4. Atrioventricular node carries on the signal
  3. 6. 55%
  4. 7. Clot in unbroken blood vessel
  5. 9. 45%
  6. 10. Thrombus breaks away from the vessel wall and floats freely
  7. 11. Is a Hereditary bleeding disorder, a lack of clotting factors
  8. 13. Cardiac muscle cells can contract spontaneously and independent
  9. 15. Foreign substances that the immune system recognizes
  10. 18. Fibrous connective tissue on outside support and protect vessels
  11. 20. Semilunar valves close at the end of the systole