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jina jina
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6 years ago
Biological digestion is defined as
 
  a. taking food into a digestive chamber.
  b. breaking food down into smaller pieces that
  can be absorbed into cells.
  c. moving nutrient molecules into the internal
  environment.
  d. expelling indigestible materials.
  e. all of these.

Question 2

The hormone, ___, gives us that hungry feeling
  when our stomachs are empty.
 
  a. leptin
  b. ghrelin
  c. ADH
  d. insulin
  e. glucagon
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nomejodasnomejodas
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6 years ago
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