An increased rate of breathing as a result of an increased buildup of carbon dioxide in the bloodstream would be best described as an example of

excretion of metabolic waste All of the metabolic wastes are excreted in forms of water solutes by the excretory organs with the exception of carbon dioxide. Carbon dioxide, along with water vapor, is excreted through the lungs. By eliminating these compounds, the organism is able to maintain chemical homeostasis.