Respiratory System Grades 4 and 5

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Across
  1. 1. is the preferred entrance for outside air, but your mouth also allows for breathing to happen
  2. 6. your health teachers name
  3. 8. is the windpipe leading from the throat to your lungs
  4. 10. organs that perform their job without you telling your body to do anything
  5. 11. is the strong wall of muscles that separates your chest cavity from the abdominal cavity
  6. 12. a large organ associated with the respiratory system
  7. 13. the waste gas you exhale
  8. 14. are the bones that protect your chest cavity
Down
  1. 2. is carried to every organ in our body
  2. 3. helps keep your lungs healthy and strong
  3. 4. carries oxygen to all your organs
  4. 5. the system in your body that helps you breathe
  5. 7. divide into each one of your lungs to get air to each lung
  6. 9. are the small air sacs where the exchange of oxygen and carbon dioxide take place