Digestion story

I would like to share an assignment from my previous course; Science I. It is about our digestive system. I believe this is useful to contribute some ideas on teaching this topic.

There are two files, a word document and a powerpoint. You can get these files from these links:

http://www.box.net/shared/7b3ae94ow4 (word document)

http://www.box.net/shared/zoi7qlj404 (powerpoint)