morganbhrocksMorgan morganbhrocksMorgan
  • 10-10-2016
  • Health
contestada

What are tiny air sacs through which oxygen and carbon dioxide pass in and out of the bloodstream

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HBR2001 HBR2001
  • 10-10-2016
They are called alveoli.
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laurenroberts87 laurenroberts87
  • 10-10-2016
Alveoli is the answer
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