| direct-children | documentation | graph |
| Organ | 40 | A somewhat independent BodyPart that performs a specialized function. Note that this functional d... | ^ |
| VitalOrgan | 6 | An Organ of the body, without which, even for a short time, life is not possible, at least withou... | ^ |
| Gills | . | A respiratory organ of Fish. Its function is to furnish the blood with oxygen and to remove carbo... | ^ |
| Lung | . | A respiratory organ of Vertebrates. Its function is to furnish the blood with oxygen and to remov... | ^ |
| Kidney | . | An Organ that separates Urine from other BodySubstances and passes it to the Bladder. | ^ |
| Heart | . | The Organ that pumps Blood throughout the body. | ^ |
| Liver | . | An Organ that secretes bile and serves metabolic functions. | ^ |
| Brain | . | The seat of the central nervous system. | ^ |
Relation: 
