Respiratory System
Across
- 6. physical process of inhalation and exhalation
- 8. It is also known as the voice box.
- 9. Group of organs and tissues working together to enable us to breathe.
- 10. Dome-shaped muscle at the bottom of the lungs
Down
- 1. Grape-like structures; site of gas exchange
- 2. It is also known as the windpipe.
- 3. Main organ of the respiratory system
- 4. Two air tubes that branch off of the trachea and carry air directly into the lungs.
- 5. holes in your nose
- 7. This is where the air first enters our body.