Across
- 2. higher part of the heart
- 4. tiny air sacs where CO2 is dropped off and O2 is picked up
- 7. connects your nose and mouth
- 11. dome-shaped muscle below your lungs
- 12. Lower part of the heart
- 15. intestine absorbs nutrients
- 16. air enters through here
Down
- 1. air pathway that branches into your lungs
- 3. is also called the windpipe
- 5. diaphragm moves up air goes out
- 6. what you use to speak
- 8. It's found in the kidney, it filters all the blood that goes through it.
- 9. helps form scabs
- 10. intestine takes in water
- 13. diaphragm moves down air goes in
- 14. smaller pathways