<http://webisa.webdatacommons.org/141738343>	<http://www.w3.org/ns/prov#value>	"Activities such as mountain climbing or deep sea-diving present challenges to the function of the lungs." .
<http://webisa.webdatacommons.org/prov/60170616>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/141738343> .
<http://webisa.webdatacommons.org/141738343>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/141738343>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<ck12.org> .