djia2er1inhernnasilv djia2er1inhernnasilv
  • 07-03-2017
  • Biology
contestada

The lungs are the primary organ of the: digestive system respiratory system excretory system nervous system

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baileybaileybailey
baileybaileybailey baileybaileybailey
  • 07-03-2017
That would be the primary organ of the Respiratory system
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winterbeaver
winterbeaver winterbeaver
  • 07-03-2017
The respiratory system, they are responsible for respiration (breathing)
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