About: http://webisa.webdatacommons.org/434401145

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	Normally, your immune system helps protect your body from foreign substances and invading microorganisms, such as bacteria and viruses.
http://www.w3.org/ns/prov#wasQuotedFrom	riversideonline.com