The following plot shows the changes in respiratory quantities post exercise. Exercise increases C02 as metabolism...

The following plot shows the changes in respiratory quantities post exercise. Exercise increases C02 as metabolism increases. Explain the changes in respiratory quanities

Expert Solution

As exercise intensifies and the body’s need for fresh oxygen increases, the ventilation rate responds accordingly. The metabolic byproducts of exercise build up as a result of cellular respiration, and the amount of carbon dioxide (CO2) in the system also increases to act as a buffer against these acidic byproducts. As the concentration of CO2 increases, the body responds by breathing deeper, and more frequently to dispel the CO2. Working muscles also require fresh oxygen. The rate of respiration also increases to facilitate the delivery of oxygen to the blood stream, where it is then transported to the working muscles.

queen_honey_blossom answered 2 years ago

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