Lungs can not and does not excrete salts from its surface.
Lungs excrete carbon dioxide and kidneys excrete urea and other substance
The urinary system excretes nitrogenous wastes. The lungs excrete carbon dioxide.
The kidneys and lungs are part of the excretory system. The lungs excrete carbon dioxide, and the kidneys excrete nitrogen-containing wastes in the form of urine.
The 3 waste materials that the lungs are known to excrete include carbon. The lungs also excrete water and heat.
All of the organs mentioned excrete waste. The lungs excrete carbon dioxide, the large intestine excretes solid waste, and the kidneys excrete nitrogenous waste.
lungs.
Carbon Dioxide or Co2
Carbon dioxide is excreted from the lungs.
respiratory=breathing excretory= meaning to excrete which means come out or let go of something(feces)
Kidneys are the the main organ, which is responsible for the excretion of the waste material from the body. Then comes the lungs. Lungs too have important role in the excretion. They excrete carbon bi oxide. Carbon bi oxide is generally not considered as waste product of the metabolism. I think that it should be considered as a waste product of metabolism. . Then the lungs are equally important or more important than the kidneys. Lungs also excrete many toxic substances that are gaseous in nature. Most of the anesthetic agents that are given by way on inhalation are excreted via lungs only. Then comes the skin. Skin excrete many toxic substances via perspiration.
There are several organs that are involved in the process of excretion; the pores of the skin that excrete oil and sweat, the lungs which excrete carbon dioxide, the rectum via the anal canal and anus that excretes feces, and the urinary tract which excretes urine via the urethra. Some anatomists consider the kidneys as the only excretory organ.