Across
- 3. a molecule that releases energy
- 7. body system that breaks down food
- 9. a molecule that gets air around them
- 12. transfers molecules to body cells
- 15. large molecules that function
- 16. a cell that gets messages and reports back to the brain
- 17. a small until that lives on its own
Down
- 1. oxegen that releases into cells
- 2. A set of parts that are a complex whole
- 4. a claim supported by its reasoning
- 5. a tissue that functions a unit to do a action
- 6. molecules for energy and growth
- 8. a storage molecule made of glucose molecules
- 10. molecules that build blocks of protiens
- 11. molecules made of carbon and oxegen atoms
- 13. Body system that takes in oxygen
- 14. a group of atoms