Describe what happened to the ph and the carbon dioxide levels during rebreathing. how well did the results compare with your prediction

During the re breathing process, the pH DECREASED WHILE THE CARBON DIOXIDE LEVEL INCREASE.
Re breathing is the process of inhaling exhaled air. An example of re breathing is breathing into a paper bag. Re breathing stimulates  respiratory acidosis and hypo ventilation; hypo ventilation leads to an increase of carbon dioxide in the blood.

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