About: http://webisa.webdatacommons.org/208938725

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	The immune system is a complex network of cells, proteins, tissues, and organs that work together to fight off harmful substances and disease-causing microorganisms called pathogens.
http://www.w3.org/ns/prov#wasQuotedFrom	raisinrack.com