Ileum

High school (ages 12+)
Human Body

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/ileum

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. How long is Ileum?Approximately 2-4 meters
2. What is the anatomical classification?Terminal segment of the small intestine
3. What is the key absorptive functions?Vitamin B12 and enterohepatic circulation of bile salts
4. What is the ileum and where is it in the body?The ileum is the last part of the small intestine, located after the jejunum and before the ileocecal valve. It helps finish absorbing nutrients from the food we eat.
5. Why is the ileum so important for vitamin B12?It is the main place where vitamin B12 is absorbed with the help of a protein called intrinsic factor from the stomach. This helps the body get this essential vitamin.

Enterohepatic Circulation: The process by which bile salts are reabsorbed and returned to the liver from the ileum.
Ileus: A medical condition characterized by a blockage or paralysis of the intestines.
Villi and Microvilli: Tiny finger-like projections that greatly increase the surface area of the intestinal lining for absorption.