ANIMALS
'(<a href="http://www.j-archive.com/media/2006-11-30_DJ_23.jpg" target="_blank">Sarah of the Clue Crew reports from the shark tank.</a>) Unlike most other fish, <a href="http://www.j-archive.com/media/2006-11-30_DJ_23.jpg" target="_blank">sharks</a> don't have bones; their skeleton is made up of this tough, flexible tissue.'
cartilage