#excretory_organ__excretoryorgan__urinary_organ__urinaryorgan  an organ that separates waste substances from the blood and discharges them
  supertype:  internal_organ__viscus  a main organ that is situated inside the body
  subtype:  flame_cell  kidney
  part of:  urogenital_system__urogenital_apparatus__urinary_system__urinarysystem__urinary_apparatus__urinaryapparatu__genitourinary_system__genitourinarysystem__genitourinary_apparatus__genitourinaryapparatu__systema_urogenitale__systemaurogenitale__apparatus_urogenitalis  the system that includes all organs involved in reproduction and in the formation and voidance of urine

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