The urinary system excretes nitrogenous wastes. The lungs excrete carbon dioxide.
the kidney is referred to as an excretory organ and excretes urea, which is a less toxic form of uric acid.
Malpighian Tubules
decomposers
Carbon Dioxide or Co2
Axolotls excrete only half of their nitrogenous wastes as weak urine. The rest is excreted through their gills.
ExcretionExcretion
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.
All of the organs mentioned excrete waste. The lungs excrete carbon dioxide, the large intestine excretes solid waste, and the kidneys excrete nitrogenous waste.
decomposers
Embryos excretes nitrogenous wastes into the placenta.
Urine contains nitrogenous wastes.
Birds, unlike mammals, don't produce urine. Instead they excrete nitrogenous wastes in the form of uric acid, which emerges as a white paste.