Name the first part of the small intestine:
Correct answer: A. Duodenum
- A. Duodenum
- B. Jejunum
- C. Ileum
- D. Both Options A and B are correct
Explanation
a) DuodenumThe duodenum is the first part of the small intestine. It is a short and C-shaped segment of the gastrointestinal tract, located just below the stomach. In the duodenum, partially digested food (chyme) from the stomach mixes with digestive enzymes and bile from the liver and pancreas. The duodenum plays a crucial role in the breakdown and absorption of nutrients, such as carbohydrates, proteins, and fats.
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About Digestion
The human digestive system covers the organs from mouth to anus, the movement of food, and the mechanical and chemical breakdown of carbohydrates, proteins and fats. It also includes the roles of digestive enzymes, bile, absorption through intestinal villi, and the assimilation of nutrients by body cells.
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