sierrarenea32
sierrarenea32 sierrarenea32
  • 01-12-2016
  • Biology
contestada

Which organ contains alveoli?
A) gills
B) lungs
C) neither gills nor lungs
D) both gills and lungs

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Аноним Аноним
  • 01-12-2016
D both bills and lungs
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