Respiratory System
Across
- 2. Helps inflate and deflates lungs
- 4. The air we release
- 7. Connects bronchus to the alveoli
- 8. Tube that sends air to lungs
- 10. Allows air to enter your body
- 11. Blood vessels in walls of the alveoli
Down
- 1. Movement of molecules with high to low concentration
- 3. Organ that collects air
- 5. Gives energy to the body
- 6. Air sacs
- 7. Divides air into both lungs
- 9. Cage for the lungs