Animal Nutrition

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Across
  1. 3. substances that bodies need to function
  2. 5. a substance that is used to build muscles
  3. 7. sugar molecules
Down
  1. 1. a clear liquid
  2. 2. a naturally occurring inorganic element or compound
  3. 4. dietary material that most animals can't digest
  4. 6. a form of body tissue