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Acidosis is a condition in which there is too much acid in the body fluids.

Hypocarbia, also known as hypocapnia, is a decrease in alveolar and blood carbon dioxide (CO2) levels below the normal reference range of 35 mmHg

Residual volume is the amount of air that remains in a person's lungs after fully exhaling

It is the total amount of air exhaled after maximal inhalation.