The three regions of the small intestine, in order, are the
Correct answer: B. duodenum, jejunum, ileum
- A. jejunum, duodenum, ileum
- B. duodenum, jejunum, ileum
- C. ileum, jejunum, duodenum
- D. caecum, colon, rectum
Explanation
The duodenum receives bile and pancreatic juice, the jejunum continues digestion, and the ileum completes absorption before the large intestine. The caecum, colon and rectum belong to the large intestine instead.
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About Human Digestive System
The human digestive system breaks food into absorbable molecules through mechanical processing, enzyme action and chemical conditions along the alimentary canal. Questions cover the mouth, stomach, small and large intestines, liver, pancreas and associated secretions, including the digestion and absorption of carbohydrates, proteins, lipids, vitamins, minerals and water.
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