What is the gas that is wasted during normal ventilation called?

Name: What is the gas that is wasted during normal ventilation called?
Brand: Quizplus
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Quizplus · Accepted Answer

For each breath, the gas left in the conducting tubes does not participate in gas exchange and is, in effect, wasted. Similarly, regional differences in ventilation cause some gas that does reach the alveoli to be wasted. This occurs in alveoli that have little or no perfusion. Ventilation occurring without perfusion defines dead space.

What Is the Gas That Is Wasted During Normal Ventilation