About: http://webisa.webdatacommons.org/158486826

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	maintain the pH at approximately physiological levels, and it may be supplemented by animal or human blood serum or other sources of protein or other nutrition.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com