<http://schema.org/description>
"Mitochondria are the power plants of cells, manufacturing chemical fuel so a cell can perform its many tasks. These cellular power plants also are well known for their role in ridding the body of old or damaged cells."^^<http://www.w3.org/2001/XMLSchema#string>
<http://medicalxpress.com/news/2013-10-culprits-congenital-heart-defects.html>