what organ system are the kidneys a part of
The kidneys are bean-shaped organs that serve several essential regulatory roles in vertebrates. They remove excess organic molecules from the blood, and it is by this action that their best-known function is performed: the removal of waste products of metabolism.idneys are essential to the urinary system and also serve homeostatic functions such as the regulation of electrolytes, maintenance of acidâbase balance, and regulation of blood pressure (via maintaining the salt and water balance).