Digestive system

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Across
  1. 2. biological catalyst made of proteins
  2. 3. adent of a molecuole
  3. 6. the small molecules are absorbed in to the blood
  4. 7. the breakdown of large insoluble molecules into small soluble molecules
  5. 9. a fluid made by the pancreas
  6. 11. tiny projections in small intestine
  7. 12. the substance which i spresent at the beginning of the reaction
Down
  1. 1. take in food
  2. 3. the breaking down of fat
  3. 4. the substance which is made by the reaction
  4. 5. the breakdown of food into smaller pieces
  5. 8. the contraction and relaxation of alimentary canal muscle
  6. 10. a substance that increases the rate of a chemical reaction