The Respiratory System
Across
- 6. Tiny structures where gas is exchanged
- 7. Main organ that cleans and filters your blood
- 8. The Windpipe
- 9. The voice box
- 10. The main organ of this system
Down
- 1. Tiny hairlike extensions that move together in a sweeping motion
- 2. The Throat
- 3. Tiny tubes that flow from your kidney carrying urine
- 4. A dome-shaped structure that contains muscles that help you breathe
- 5. Tiny structure that removes waste from the blood and produces urine