About: http://webisa.webdatacommons.org/239165229

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	In contrast, venous blood is returned to the heart via the superior and inferior vena cava after releasing oxygen to the body and absorbing carbon dioxide and other waste products.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca