A human skeleton has more than 200
   bones.
<P>
   Many  bones are connected at joints by ligaments that allow freedom of
   movement.
<P>
   The  axial  skeleton  suports  the  central trunk, and includes skull,
   ribs, sternum, and vertebrae.
<P>
   The  appendicular  skeleton  contains  the  limbs and the shoulder and
   pelvic girdles.
<P>
   Review:  <A ClAsS=ACT Href="http://media.pearsoncmg.com/bc/bc_campbell_biology_7/media/activities/load.html?49&amp;B" oNClick="popact('http://media.pearsoncmg.com/bc/bc_campbell_biology_7/media/activities/load.html?49&amp;B');txtcolor('skeleton2','gray');return false;" Id=skeleton2><iMg sRc="/images/tutorial.gif" aLt='' boRDer=0></A>