What role does the respiratory system play in eliminating wastes from the body? put in complete sent.

Respiratory system is the major system for excretion of carbon dioxide from the body. carbon dioxide is a by product of respiration. all cells in the body respire and produce carbondioxide and use up oxygen in the blood. the deoxygenated blood that carries carbon dioxide is then transported the the lungs by the pulmonary artery. gaseous exchange takes place in the lungs on the surface of the alveoli, where carbondioxide is lost from the lungs through gaseous exchange.