The LUNGS
The lungs are where carbon dioxide exchange takes place. Part of the respiratory system.
your excretory system i think?
kidneys
skin
lungs considered as excretory organ because it excretes waste such as carbon dioxide and other wastes , and it is considered as respiratory because lungs involves respiration which means as the transport of gaseous materials like oxygen in and outside of the body.
lungs
the system that removes wastes from blood is called the excretory system........
respiratory=breathing excretory= meaning to excrete which means come out or let go of something(feces)
The urinary system
excretory ssytem
Carbon dioxide is excreted from the lungs.