(<a href="http://www.j-archive.com/media/2001-09-24_DJ_27.jpg" target="_blank">Sarah of the Clue Crew visits Tess, the 50-foot-tall woman at the California Science Center.</a>) As Tess' heart <a href="http://www.j-archive.com/media/2001-09-24_DJ_27a.jpg" target="_blank">pumps</a> to supply extra oxygen, the <a href="http://www.j-archive.com/media/2001-09-24_DJ_27b.jpg" target="_blank">lights</a> represent this system that distributes blood