body system

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Across
  1. 4. passageway to the lungs
  2. 5. it switches the carbon dioxide for blood
  3. 7. upper part of the heart
  4. 8. inflates lungs
  5. 9. move gasses through the air and blood
  6. 10. causes scabs
  7. 11. pumps blood through the body
  8. 14. fights diseases
Down
  1. 1. hair-like structure
  2. 2. liquid that just surrounds thing in the body
  3. 3. lower chamber of the heart
  4. 4. connects the alveoli and the bronchi
  5. 6. absorbs nutrients
  6. 12. transport nutrients to the heart
  7. 13. mechanical and chemical digestion