Frog Disection

This is an awesome video of a frog disection for middel schoolers.  If you were squeamish about disecting your frog, this video will cover everything you need to have learned. 

http://www.mhhe.com/biosci/genbio/virtual_labs/BL_16/BL_16.html

here's a step by wtep written instruction with pictures.

http://frog.edschool.virginia.edu/Frog2/