Across
- 3. Photosynthesis equation
- 5. The four Chabers
- 6. Color of blood with O2
- 9. flap on the pharynx
- 11. Branches on the Trachea
Down
- 1. Airsac in lung
- 2. Larynx 2 words and has a dash between
- 4. The system of exchanging blood around the body
- 5. Protects Lungs
- 7. Color of blood with no O2
- 8. Skeletal muscle part of the respiratory system
- 10. Balloon like organ part of the respiratory system