1. Do Now
Clear your desk of all but you ISN. Title ISN p.141, The Small Intestine, Liver and Pancreas On ISN p. 140, answer this question: Which is longer, the small or large intestine?

2. AGENDA Do Now What’s next on the Magic School Bus?
Which Surface is Larger?
Notes and PowerPoint
Stations

3. Record results on ISN p. 140
First measure around entire hand.
Estimate how much longer the string will be when you go around each finger.
Measure distance around each finger.

4. Absorption in your intestines
Absorption: when molecules pass through the wall of the digestive system into your blood.
Materials not absorbed are eliminated as wastes.

5. Small Intestine This is where most chemical digestion takes place.
Thick liquid mixes with enzymes and secretions from the small intestine, liver and pancreas.

6. Liver Produces bile Bile breaks apart fat particles.
Bile is stored in the gallbladder

7. Pancreas
Produces enzymes that help break down starches, proteins & fats.

8. Absorption in the Small Intestine
Inner surface of the small intestine is filled with millions of villi.
The villi absorb nutrient molecules that pass to blood vessels.

9. Today’s Stations
1. Scientific Diagram- Label the Digestive System
2. Guided Reading- The Digestive Process Begins
3. Guided Reading- Final Digestion
When you are done with the stations listed above, you may:
Work on your Travel Brochure & Map Anchor Activity
Complete a box that is not a corner box
Create vocabulary flashcards