nutrition

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Across
  1. 3. are an organic compound that is essential in small quantities for normal metabolism and for growth and maintenance of the body.
  2. 5. is a lipid belonging to a class of chemical substances called sterols.
  3. 7. is the breaking-down aspect.
  4. 8. is a protein deficiency.
  5. 9. Acids are the building blocks of protein.
Down
  1. 1. are organic compounds containing carbon, hydrogen, and oxygen,
  2. 2. is a chemical compound or element necessary for good health that is found in food.
  3. 4. is the building-up aspect of metabolism
  4. 6. provide the building blocks for blood and bone, and they are a structural part of every cell.