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Alveoli are tiny balloon shaped structures and are very important part of the respiratory system. The function of the alveoli is to exchange oxygen and carbon dioxide molecules to and from the bloodstream.  Through them oxygen enters the bloodstream and some of the waste products of metabolism (carbon dioxide) exit the body.

Blood is NOT transferred by alveoli. Correct answer: B


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The substance that is not transferred by the alveoli is blood. Details about the alveoli can be found below.

What is alveoli?

Alveoli are tiny structures in the respiratory system that functions in gaseous exchange.

They are small air sac in the lungs, where oxygen and carbon dioxide are exchanged with the blood.

Alveoli is synonymous to a passage for gaseous substances like oxygen, carbon dioxide, to get into and out of the bloodstream.

Therefore, the substance that is not transferred by the alveoli is blood.

Learn more about alveoli at: https://brainly.com/question/9501095

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