Biodigital Human Anatomy : a 3D interactive body.  You will need to register to access  the  free material.

 

Get Body Smart : An interactive tool with quizzes and the option to have labels

 

Inner Body : View human anatomy systems.  In addition one can get a more thorough view from different advantage points like hip joint, brain, or heart.

 

Medtropolis : The teen section is located under Kid’s Health.  Check out the Virtual Body.

 

Virtual Anatomy Lab : Slide Shows from Consumnes College.