Oxygen Debt

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A cumulative deficit of oxygen resulting from intense exercise; the deficit must be made up when the body returns to rest.A situation where hard working tissues require more oxygen than they have available, which results in a 'debt' of [[oxygen. When this is the case, [[ anaerobic respiration occurs.oxygen debt

The extra oxygen (compared with its usual oxygen intake at rest) an organismconsumes after a period of strenouousphysical activity.