Friday, March 11, 2016

The Digestive System

We had a lot of fun talking about the digestive system in preparation for Biobuddies next week.  First, we did an experiment.  We pretended a plastic bag was the stomach and "ate" some crackers.  Next we drank some soda, which acted as the stomach acids as well.
After two hours, our "stomach contents" looked pretty mushy!

We watched a little blurb from the Magic School Bus about the esophagus and the stomach. 

Then we imagined what would happen if we could see how long our digestive system really is.

The pink ribbon is the mouth, the tan is the esophagus, the orange is the stomach, the white is the small intestines, and the black is the large intestine.  When we stretched them across the room, we discovered that our small intestines could loop around two tables!  We learned that there is way more to our digestive system than just the stomach.  Stay tuned for some updates from next week's bio-buddy visit!


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