How does the surface of villi affect the function of the small intestine?

How does the surface of villi affect the function of the small intestine?
How does the surface of villi affect the function of the small intestine?
How does the surface of villi affect the function of the small intestine?
How does the surface of villi affect the function of the small intestine?
How does the surface of villi affect the function of the small intestine?
How does the surface of villi affect the function of the small intestine?
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Product Description
In this activity, students will complete a lab on why intestinal villi are in the perfect position to absorb nutrients and deliver them throughout the body. Students will be required to measure and use string for this hands-on activity.

Objective: SWBAT
-Describe how the absorption of food depends upon the surface area of the villi in the small intestine
-Calculate surface area and apply finding to scientific concepts
-Critically evaluate results through a STEM-based activity

Introduction:
The overall jobs of the digestive system are digestion and absorption of food. First, the food is mechanically and chemically digested into a usable form. The products of digestion are then absorbed through the wall of the small intestine, so they can be carried around the body and used. The small intestines contain hundreds of villi which are finger-like structures that assist in the absorption of nutrients. In this lab, you will investigate how the structures of the small intestine are well adapted for the absorption of food.

Total Pages
2 pages
Answer Key
Does not apply
Teaching Duration
45 minutes
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