Across
- 3. a tubelike passageway at the top of the throat that receives air, food, and liquids from the mouth or nose.
- 4. two narrow tubes that lead to the lungs
- 5. a large muscle below the lungs that contracts and relaxes as air moves into and out of your lungs
Down
- 1. a tube that is held open by C-shaped rings of cartilage
- 2. main organs of the respiratory system