stuff

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Across
  1. 3. lower chamber of heart
  2. 6. upper chamber of heart
  3. 9. organ where most nutriants take place
  4. 13. Tiny finger-shaped structures
  5. 14. carries oxygen
  6. 15. absorbes water
Down
  1. 1. A blood vessel that carries blood away from the heart
  2. 2. A blood vessel that carries blood back to the heart
  3. 4. liquid in blood
  4. 5. smallest blood vessel connects arteries and veins is where stuff is being delivered and picked-up
  5. 7. fight viruses
  6. 8. large muscular sac that continues the mechanical and chemical digestion of food
  7. 10. where digestion begins
  8. 11. conects moutch and stomach
  9. 12. forms scabs