About: http://webisa.webdatacommons.org/428023027

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	Iron is present in the muscle cells in two combinations, as myoglobin and a constituent of heme enzymes; myoglobin is a respiratory pigment present in the muscles of vertebrates and invertebrates.
http://www.w3.org/ns/prov#wasQuotedFrom	preservearticles.com