has_participant has participant has participant system process excretion GO:0007588 The elimination by an organism of the waste products that arise as a result of metabolic activity. These products include water, carbon dioxide (CO2), and nitrogenous compounds. Wikipedia:Excretion biological_process https://github.com/geneontology/go-ontology/issues/22368 AQP2 AQP3 AQP6 NPHS1 SCNN1G UMOD NPHS2