Lungs & kidneys.
The main organ in the excretory system is the kidney. The kidney is the main organ that controls the excretory systems for vertebrates. It is also part of the Urinary system which is part of the excretory system.
nephridia is the main excretory organ of annelida
skin
Ammonia is the main excretory product of a cockroach is ammonia. The excretory organ of a cockroach is called the malpighain tubes.
The main organ of the excretory system is the kidneys. The kidneys filter waste products and excess substances from the blood to produce urine, which is then eliminated from the body through the urinary system.
The main excretory organ in a fetal pig are the kidneys. The kidneys are responsible for maintaining water levels and excreting waste matter from the blood.
excretory organ of housefly
kidney
kidney
ureters, urinary bladder and urethra
The intestines, small and large. The skin is the largest organ but its function is not predominantly excretory.
The skin is both a sense and excretory organ.