<http://schema.org/description>
"Whether you&amp;#039;re an amateur anatomy buff or a full-fledged medical professional, we challenge you to test your knowledge with this organ function quiz ... if you have the guts."^^<http://www.w3.org/2001/XMLSchema#string>
<http://health.howstuffworks.com/human-body/parts/organ-function-quiz4.htm>