cardiovascular system

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Across
  1. 2. exchange between the blood and body tissue
  2. 5. transports blood to the heart
  3. 6. another term for platelet
  4. 9. transport oxygenated blood
  5. 11. smooth layer of inside the heart
  6. 12. transport oxygenated poor-blood
  7. 14. counteracting foreign substances and disease
Down
  1. 1. muscular layer of the heart
  2. 3. main artery in the body
  3. 4. 2 lower chambers in the heart
  4. 5. carries blood to the heart
  5. 7. transports blood away from the heart
  6. 8. keeps the heart in a stable location
  7. 10. 2 upper chambers in the heart
  8. 13. transporting carbon dioxide back to the lungs