Respiratory System
Across
- 4. This is also called the throat
- 6. These are small sacks in the lungs that allow oxygen and carbon dioxide to move through the blood
- 8. This is in your chest and helps you breathe
- 9. This is the main muscle for inhaling
Down
- 1. This is where your words come out of
- 2. This is the main passageway to the lungs
- 3. This is also known as the windpipe
- 5. You can take in and let our air with this
- 7. This is also known as the voice box