Hooked on Science: Length of small intestines

Thursday, September 13, 2012

How long is your small intestine? With a few items from around the house, you can learn the science behind your small intestine.


* Yarn or rope

* Yardstick

* Scissors


Use the yardstick to measure and cut 23 feet of yarn or rope.


The yarn or rope represents the average length of an adult small intestine. In the small intestine chemicals break down the food. Tiny structures called villi inside the small intestine take in nutrients from the digested food and then move the nutrients into the blood.

Jason Lindsey is a science outreach educator with Hooked on Science. Check out his website www.hookedonscience.org for webcasts and experiments.

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