PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The alveolus is the point at which the blood and inspired air are separated only by a very thin wall or membrane that allows oxygen and nitrogen to diffuse into the blood and carbon dioxide and other gases to pass from the blood into the alveoli.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com