About: http://webisa.webdatacommons.org/408754389

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	But the heart is a muscle, like other muscles, and like other muscles it needs its own supply of oxygen and nutrients.
http://www.w3.org/ns/prov#wasQuotedFrom	pbs.org