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Why do we exhale 12 times?

Milad
in Biochemistry and Molecular Biology

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...per minute?

 

In terms of the Krebs Cycle, why do we on average exhale 12 times. I am utterly confused at the question my teacher has asked us in class....

I'd suggest as a starting point that you think about why we exhale at all. Then consider how the rate of exhalation might affect the objective.

Even at rest, there is a minimum of energy we use, so a minimum of oxygen required. I'm sure you know the fancy name for that.

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I appreciate your help. I've managed to improve my work, thank you.

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