18bnormann
18bnormann 18bnormann
  • 06-02-2017
  • Biology
contestada

Which structure of the respiratory system plays the main role in carry out the system’s primary function?
tracheapharynxalveolinose

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alexisdbrown
alexisdbrown alexisdbrown
  • 06-02-2017
alveoli.......................................................................
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Аноним Аноним
  • 06-02-2017
the lungs carry out the most important one they help you breathe
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