Across
- 3. only organ that can float on water
- 5. tiny air sacs in the lungs
- 8. waste gases leave the lungs
Down
- 1. organ that contracts & relaxes as you breath
- 2. organ that determines volume of your voice
- 4. scientific name of voice box
- 6. air comes into the body
- 7. what side is the smaller lung on?