Knowledge Acquisition Activity

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Across
  1. 3. __________ digestion is the physical breakdown of large pieces of food into smaller pieces.
  2. 8. Contractions of smooth muslces is known as ___________.
  3. 10. Saliva contains an enzyme called ________.
  4. 11. Inorganic nutrients that the body needs, usually in small amounts, are called _________.
  5. 12. A mixture with an oatmeal-like consistency is called _______.
  6. 14. The fingerlike projections is called ____.
Down
  1. 1. The most important nutrient is ________.
  2. 2. Proteins are polymers of _____________.
  3. 4. intestine:The ______________ absorbs water and several vitamins and prepares waste for elimination from the body.
  4. 5. During ________ digestion, enzymes break down food into the small molecules the body can use.
  5. 6. Organic molecules that the body needs in very small amounts are called _______.
  6. 7. __________ supply raw materials for growth and repair of structures such as skin and muscle.
  7. 8. breaks proteins into smaller polypeptide fragments.
  8. 9. system: The _________________ converts food into small molecules that can be used by the cells of the body.
  9. 13. intestine: Most nutrients from food are absorbed through the walls of the _______________.