Across
- 4. muscles that develop in a sprinters legs
- 6. tiny hairs throughout our respiratory tract
- 8. tiny air sacs where gas exchange takes place
- 9. the gas we breathe into our lungs
- 11. anatomical term for our throat
- 12. large muscle below the lungs
Down
- 1. muscles that allow you to stand for long periods
- 2. the gas that comes out of our lungs
- 3. looks like tree branches inside of the lungs
- 5. rings of cartilage forming our airway
- 7. anatomical term for our voice box
- 10. 2 large tubes going into each lung