Across
- 2. protects your lungs and heart
- 4. your heart is as big as this:
- 7. this system is made up of the mouth, nose, lungs, etc. It's what makes us breathe
- 8. this habit can damage your lungs
- 10. this system is made up of the heart, arteries, and blood vessels.
- 11. this organ pumps oxygen rich blood throughout your body
- 12. You have two of these, which take in air.
Down
- 1. brings deoxygenated blood back to the heart
- 3. takes oxygen rich blood away from the heart
- 5. Ms. Asaro's favorite Disney Villain
- 6. connect arteries to veins. Gives nutrients to cells and removes waste.
- 9. You inhale this in to live.
- 10. when you exhale you get rid of this.