Across
- 3. what waste product do the lungs help remove
- 6. lungs play an important part in what system
- 7. tiny air sacs at the end of each bronchial
Down
- 1. what body part brings in oxygen
- 2. after air comes in through your nose what does it go down
- 4. what is in the air we breath
- 5. what sits just below your lungs
- 6. lungs are located behind what