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AndraPetracat AndraPetracat
  • 01-03-2017
  • Biology
Answered

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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