AndraPetracat AndraPetracat
  • 01-03-2017
  • Biology
contestada

Which lung structure is a tiny sac that functions as an interface for gas exchange between air and blood?

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ThatRobloxGuy
ThatRobloxGuy ThatRobloxGuy
  • 01-03-2017
Alveolus.  should be the answer
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