Respiratory Parts Crossword

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Across
  1. 4. The throat; a passageway that carries air from the nose and mouth toward the larynx
  2. 7. The process of breathing air out of the lungs
  3. 9. The two main airways that carry air from the trachea into the lungs
  4. 11. A flap of tissue that helps prevent food and liquid from entering the airway
  5. 13. An opening that allows air to enter and leave the body
  6. 14. The voice box; a structure that contains the vocal cords
  7. 16. The process in which oxygen and carbon dioxide move between the lungs and blood (two words)
  8. 17. The space inside the nose that filters, warms, and moistens air (two words)
Down
  1. 1. The windpipe; the tube that carries air toward the lungs
  2. 2. A waste gas removed from the body during exhalation (two words)
  3. 3. The process of breathing air into the lungs
  4. 5. The organs where oxygen enters the blood and carbon dioxide leaves it
  5. 6. Tiny air sacs where oxygen and carbon dioxide are exchanged
  6. 8. A muscle beneath the lungs that helps move air in and out of the body
  7. 10. Small branching airways inside the lungs that carry air toward the alveoli
  8. 12. A gas the body uses to release energy from food
  9. 15. The part of the respiratory system where air enters and is filtered, warmed, and moistened