Anatomical structure Homo sapiens excretory system UBERON:8450002 http://purl.obolibrary.org/obo/uberon/releases/2024-08-07/uberon.owl 2022-05-25T18:21:29Z BTO:0006338 uberon GO:0007588 https://github.com/biopragmatics/biomappings http://orcid.org/0000-0002-6095-8718 An anatomical system that eliminates waste products that arise as a result of metabolic activity.