The Visible Human Project
http://www.nlm.nih.gov/research/visible/visible_human.html
For cross-wise slices of the soft tissue of the human body, both male and female, this is the site.
eSkeletons
http://www.eskeletons.org/
This interactive site has multiple views of the bones of the human body.
The Skull Module, California State University, Chico
http://www.csuchico.edu/anth/Module/skull.html
At this site, one can ‘grab’ the bones of the skull and rotate them.
Marching through the Visible Man and Woman
http://www.crd.ge.com/esl/cgsp/projects/vm/ (man)
http://www.crd.ge.com/esl/cgsp/projects/makevw/index.html (woman)
Polygonal models of skin, bones and bowels
OsteoWare
https://osteoware.si.edu/