Respiratory System
Across
- 3. Tiny sacs of lung tissue for the movement of gasses
- 5. The passages that direct air into the lungs
- 6. Dome shaped muscle underneath the lungs
- 7. Also known as the voice box
Down
- 1. The throat
- 2. warms filter and moisten the incoming air
- 4. Known as the windpipe.
- 7. Exchanges air gasses between the blood and the atmosphere