ygoggo

1234567891011121314151617181920
Across
  1. 3. blood vessels that carry blood back to the heart
  2. 5. A blood protein; transports oxygen
  3. 6. upper chamber
  4. 10. carry oxygen
  5. 12. the introduction of blood from others
  6. 15. largest vein in the body
  7. 16. valve between the right atrium and the right ventricle
  8. 17. valve between the left atrium and the left ventricle.
  9. 18. AKA cardiovascular system
  10. 20. recipient AB
Down
  1. 1. blood that carries an abundant amount of oxygen
  2. 2. blood cells destroys disease-causing microorganisms
  3. 4. tiny, disk-shaped bodies in the blood, important in blood clot formation
  4. 7. donor O
  5. 8. Largest artery in the body
  6. 9. Lower chambers of the heart
  7. 11. Microscopic vessel
  8. 13. circulation that supplies blood
  9. 14. Muscle of the heart
  10. 19. carry blood away from the heart