Biology books usually have a detailed picture of the villi. Some plastic science models also show villi. However, this easy to create model more accurately presents the concept of villi in a way that can be accessed tactually and visually. Blood vessels on the outside of the intestinal wall absorb nutrients so that they can travel around the body in the blood. The second activity involves a quick and simple way to demo the increased surface area thanks to villi.
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Very creative way to teach the Small intestine!
Very good resource, reminds me to think outside the box more.
Am buying a bath mat for this today<br /> <br />
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