Choose from:  digestive, circulatory, digestive, excertory or nervous What is the function of the organ system?What do some of the specialized cells look like?What are some of the major organs in the system and how are they dependant on each other?How does the organ system depend on other systems and how do other organ systems depend on it?Explain how excercise, healthy eating and other healthy lifestyle choices affect the health of your organ system? http://www.medtropolis.com/vbody.asp http://bodybrowser.googlelabs.com/body.html#