harrystyles09 harrystyles09

23-09-2020
Biology

contestada

How does a marathon runner use oxygen and produce carbon dioxide during the marathon

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littleflowerphrophes littleflowerphrophes

23-09-2020

Explanation:

Alright, a marathon runner is running, what do you do when you run, you breathe in (usually heavy too) so when the runner is breathing in, they take in oxygen (air), and breathe out carbon dioxide (used air.)

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