<http://webisa.webdatacommons.org/442811947> <http://www.w3.org/ns/prov#wasQuotedFrom> <ck12.org> . <http://webisa.webdatacommons.org/prov/394520003> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/442811947> . <http://webisa.webdatacommons.org/442811947> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/442811947> <http://www.w3.org/ns/prov#value> "Muscles such as biceps that move the body are easy to feel and see, but they aren???t the only muscles in the human body." .