Trachea This helps air pass through and from the lungs

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Across
  1. 1. lung tissue between air and blood
  2. 7. This helps air pass through and from the lungs
  3. 10. removes cell waste
  4. 11. System Absorbs the nutrients in your body
  5. 13. Smallest blood vessel helps connect
Down
  1. 2. Lower part of the heart
  2. 3. tissues that carry functions of the body like a heart
  3. 4. lead to the bronchi and alveoli
  4. 5. a system that performs a certain job
  5. 6. filters out your blood
  6. 8. Works with the same job
  7. 9. from the heart to the lung to the body
  8. 12. filters blood waste
  9. 14. upper part of the heart
  10. 15. lets go of oxygen and carbon dioxide