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Small Intestine in Digestive System

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Questions and Answers

What is the longest part of the gastrointestinal tract?

The esophagus

The small intestine (correct)

The stomach

The large intestine

Which part of the small intestine is characterized by many blood vessels?

Duodenum

Jejunum (correct)

Ileum

None of the above

Where does the stomach feed into the digestive system?

The duodenum (correct)

The esophagus

The large intestine

The pancreas

What is the role of the small intestine in the digestive system?

To break down food and absorb its nutrients Signup and view all the answers

How is the ileum, the last section of the small intestine, different from the other sections?

Its walls begin to thin and narrow, and blood supply is reduced Signup and view all the answers

What is the name of the long pathway that food takes through the body?

The gastrointestinal tract Signup and view all the answers

Which part of the small intestine receives digestive juices from the liver, gallbladder, and pancreas?

Duodenum Signup and view all the answers

What is the primary function of the jejunum?

Muscle contractions for digestion Signup and view all the answers

How does the ileum protect against bacteria?

By having special immune cells lining it Signup and view all the answers

What is the function of the ileocecal valve?

To allow food waste to pass and keep bacteria out Signup and view all the answers

How long can the digestion process in the small intestine take?

Up to 5 hours Signup and view all the answers

What are the three main functions of the small intestine?

Breaking down food, absorbing nutrients, and extracting water Signup and view all the answers