This process is called extra post-exercise oxygen consumption EPOC. The difference between a person's normal oxygen intake and his or her intake after a strenuous workout is the oxygen debt. Oxygen is used by the cells to produce energy using a process called aerobic respiration. During strenuous exercise, the body cannot deliver enough oxygen to the muscle cells.
This status is referred to as an oxygen deficit. Once the body reaches a state of oxygen deficit during exercise, energy is produced using anaerobic respiration. Anaerobic respiration breaks down glucose into energy that the cells can use to function.
The process creates a waste substance called lactic acid. During aerobic respiration, this lactic acid is further broken down into carbon dioxide and water. Oxygen is needed for this step to take place. When the body lacks the necessary oxygen to complete the process of respiration and eliminate the lactic acid, it is said to be in oxygen debt.
After an individual's activity level slows, he or she will take in extra oxygen to gradually repay this oxygen debt, allowing the cells to process the built up lactic acid. By: Elly McGuinness. Close Privacy Overview This website uses cookies to improve your experience while you navigate through the website. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website.
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These processes require oxygen.
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