Links - Biology

Here are a couple of sites that I found very helpful.

http://www.getbodysmart.com/
On their muscle pages you can even add and subtract muscles, with the slider bar. Some show as transparencies.
http://www.getbodysmart.com/ap/muscularsystem/legmuscles/bicepsshort/tutorial.html

http://medical-dictionary.thefreedictionary.com/

This one has fantastic images.
http://www.lab.anhb.uwa.edu.au/mb140/Big/Big.htm
Click the "thumnails" toggle (upper left) on. Then change your search criteria. Hit Search under you search item.
You can adjust the magnification, the stain, etc.

http://faculty.southwest.tn.edu/rburkett/A&P2%20urinary_system.htm