Across
- 3. Connection that joing
- 5. Biomolecules that provide the body with quick energy
- 7. Large Biomolecules that build and repair tissues
- 9. The gas that we need to survive (life-supporting)
- 10. Protein used by the immune system
- 11. Molecules that are found in living organisms
Down
- 1. Substance, acts as a catalyst, in living
- 2. Monomer of a protein
- 4. Organization of the parts of a system
- 6. Living thing (has an organized structure)
- 8. A gas that forms most of the earth's atmospher