Respiratory

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Across
  1. 6. What process send carbon dyoxide out?
  2. 7. The top and sides of the thorax are formed by the ribs and attached muscles, and the bottom is formed by a large muscle called the
  3. 10. The main respiratory structure
  4. 12. Tiny blood vesils
  5. 15. Food pathway near the epiglottis
  6. 17. Bronchioles end in tiny air sacs called
  7. 18. The trachea divides into left and right air tubes called
  8. 19. The airtight box that houses the bronchial tree, lungs, heart, and other structures.
  9. 20. We can eat and breath by it
Down
  1. 1. Smaller bronchi tubes
  2. 2. With it blood flows back to the heart
  3. 3. Tiny hairs in the nose
  4. 4. A thin lining covering the lungs
  5. 5. Continuation of the airway below the laryns trachea
  6. 8. Exchange of oxygen and carbon dioxide
  7. 9. Small flap of tissue that covers the air-only passage when we swallow
  8. 11. Where the air is warmed and humidified?
  9. 13. What process brings oxygen into our bodies?
  10. 14. How the voice box is called?
  11. 16. Network of alveoli