Which one of the following organs excretes water, fat and various catabolic wastes ? A)Kidney B)Skin C)Spleen D)Salivary glands
Option A) The kidneys are essential in the urinary system and also serve homeostatic functions such as the regulation of electrolytes, maintenance of acid–base balance, and regulation of blood pressure (via maintaining salt and water balance). They serve the body as a natural filter of the blood, and remove wastes which are diverted to the urinary bladder
