About: http://webisa.webdatacommons.org/336544364

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	As well as responding to the natural pressure variations of traveling blood, the blood vessels can also constrict in response to environmental factors such as cold, stress and even nicotine from cigarette smoke.
http://www.w3.org/ns/prov#wasQuotedFrom	wisegeek.com