Metabolism is crazy!

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Across
  1. 2. the system that takes in oxygen
  2. 4. a claim supported by evidence
  3. 6. a group of atoms joined together in a particular way
  4. 8. a category of large molecules that perform important functions inside living things
Down
  1. 1. the body's use of molecules
  2. 3. From the air
  3. 4. a type of energy storage molecule made of many glucose molecules connected together
  4. 5. Breaks down starch
  5. 7. the process of making clear how your evidence supports your claim