12 Questions
What is the longest part of the gastrointestinal tract?
The small intestine
Which part of the small intestine is characterized by many blood vessels?
Jejunum
Where does the stomach feed into the digestive system?
The duodenum
What is the role of the small intestine in the digestive system?
To break down food and absorb its nutrients
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
What is the name of the long pathway that food takes through the body?
The gastrointestinal tract
Which part of the small intestine receives digestive juices from the liver, gallbladder, and pancreas?
Duodenum
What is the primary function of the jejunum?
Muscle contractions for digestion
How does the ileum protect against bacteria?
By having special immune cells lining it
What is the function of the ileocecal valve?
To allow food waste to pass and keep bacteria out
How long can the digestion process in the small intestine take?
Up to 5 hours
What are the three main functions of the small intestine?
Breaking down food, absorbing nutrients, and extracting water
Test your knowledge about the small intestine, a crucial part of the digestive system responsible for absorbing nutrients and breaking down food. Learn more about its functions and role in the GI tract.
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