Respiratory system
Across
- 3. Dome shaped muscle that controls the contractions within your lungs
- 4. Opening in the nasal cavity to allow air in
- 7. Gas all living things need
- 8. Disease in the lungs that causes wheezing shortness of breath and chest tightness
Down
- 1. The exhaling of air
- 2. Curved bone in your chest
- 5. The act of inhaling oxygen
- 6. Pinkish gray organs in your chest in which oxygen is in