About: http://webisa.webdatacommons.org/52963849

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The kidney and urinary systems keep chemicals, such as potassium and sodium, and water in balance and remove a type of waste, called urea, from the blood.
http://www.w3.org/ns/prov#wasQuotedFrom	ecommunity.com