About: http://webisa.webdatacommons.org/416528855

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	Your body???s natural defense system, called the immune system, keeps you healthy by fighting against things that can make you sick, such as bacteria and viruses.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com