Across
- 4. use average to get this
- 5. it is in sweets
- 6. we breath it out
- 7. something that controls all of you cells
- 8. keeps us warm and allows us to breath in and out
- 9. we breath it in
Down
- 1. opposite of heavy
- 2. what plants do
- 3. we drink it
- 6. a green substance that comes from a plant