The term oxygen debt describes the continued increased metabolism that must occur in a cell to remove the excess acid that accumulates during prolonged exercise.

Question

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Oxygen debt occurs when prolonged exercise leads to the buildup of excess acid (lactic acid) in the cells, which requires continued increased metabolism to remove. This increased metabolism requires more oxygen to be delivered to the cells to break down the lactic acid and restore normal pH levels.

The Term Oxygen Debt Describes the Continued Increased Metabolism That