About: http://webisa.webdatacommons.org/358282173

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	Oxygen, sugars (such as glucose), and amino acids used to build proteins can enter the brain from the bloodstream with no trouble, while waste products, such as carbon dioxide, exit the brain just as easily.
http://www.w3.org/ns/prov#wasQuotedFrom	jhu.edu