I have been looking at the Decomposition of the body recently and the Wiki article seams to have quite good and accurate information http://en.wikipedia.org/wiki/Decomposition
as for images http://what-buddha-said.net/gallery/main.php
I know somewhere there are images may be on the daily drops instead though.
for general anatomy go to your book shop and have a look, I don't think there are any terable ones out there, but it would depend on the complexity of what you are looking for.
He who knows only his own side of the case knows little of that. His reasons may be good, and no one may have been able to refute them.
But if he is equally unable to refute the reasons on the opposite side, if he does not so much as know what they are, he has no ground for preferring either opinion …
He must be able to hear them from persons who actually believe them … he must know them in their most plausible and persuasive form.