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