What is the duodenum responsible for?
  1. Breaking down food in the small intestines
  2. Cleans the blood
  3. Creates bile
  4. Absorbs oxygen
Explanation
Answer: A - The duodenum is responsible for breaking down food in the small intestines.
At 10-12 inches long, it is the smallest part of the small intestines. It regulates the rate at which the stomach empties.
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