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Across
  1. 2. acids molecules that are the building blocks
  2. 4. a category of large molecules that preform stuff
  3. 5. the smallest unit that can live in the human body
  4. 6. molecule that organisms can use to release energy
  5. 11. group of atoms
  6. 12. system the body system that takes in oxygen
  7. 13. a type of cell that receives and sends messages
  8. 14. the body use of energy and growth
  9. 16. a type of energy storage molecule made of many glucose
Down
  1. 1. system body system that takes food glucosens it up
  2. 3. respiration chemical reaction when energy-cells
  3. 5. system body system transports molecules
  4. 7. argument a claim supported by evidence
  5. 8. a set of interacting parts forming a complex
  6. 9. dioxide molecule made of carbon and oxygen
  7. 10. a molecule that organism get the air or water
  8. 15. a collection of tissues that's structurally