Which waste product would most likely build up in the body if the lungs do not function properly? glucose carbon dioxide acid insulin

carbon dioxide

Explanation:

The main function of the lungs is to oxygenate the blood and to eliminate carbon dioxide (a toxic substance to the body), allowing the air we breathe to contact the blood circulating in the body. This contact enables life-critical gas exchange and basically consists of the absorption of oxygen into the blood to be transported to the hemoglobin to all cells of the body, and the elimination of carbon dioxide that the cells produced to generate energy. Without the lungs our body would accumulate carbon dioxide.