Human body review

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Across
  1. 4. Passage that directs air into the lungs
  2. 6. Finger shaped structures that absorb food
  3. 7. Helps create scabs
  4. 9. Transports oxygen through the blood
  5. 11. Smallest blood vessels
  6. 12. Upper chamber of the heart
  7. 13. Carries blood back to the heart
  8. 14. Lower chamber of the heart
Down
  1. 1. Fights Diseases
  2. 2. Transports oxygen,waste,nutrients
  3. 3. Exchanges oxygen with carbon dioxide
  4. 5. Breaks down food into smaller pieces
  5. 7. Liquid part of blood
  6. 8. Carries blood away from the heart
  7. 10. Filters blood inside the kidney