About: http://webisa.webdatacommons.org/277101301

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	Alveoli, for example, house their own special cleanup crew ??? immune cells called macrophages, which are attracted to and ingest foreign substances such as smoke particles, dust and chemicals.
http://www.w3.org/ns/prov#wasQuotedFrom	becomenatural.com