About: http://webisa.webdatacommons.org/63651359

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	Vertebrates such as the mammals have a 4 chambered heart which efficiently keeps the oxegenated blood separate from the oxygenated blood.
http://www.w3.org/ns/prov#wasQuotedFrom	biology-online.org