Which function is performed mainly by the large intestine?
Correct answer: B. Absorbing water and electrolytes
- A. Secreting insulin into blood
- B. Absorbing water and electrolytes
- C. Digesting most dietary protein
- D. Producing hydrochloric acid
Explanation
The large intestine absorbs remaining water and electrolytes and forms and stores feces. Insulin is produced by pancreatic beta cells, hydrochloric acid by stomach parietal cells, and most nutrient digestion occurs in the small intestine.
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About Digestive System
The digestive system covers the structure and functions of the alimentary canal from mouth to anus, along with the liver, gallbladder and pancreas. It explains mechanical and chemical digestion, the action of major enzymes, absorption through intestinal villi, and how digestion differs from absorption and assimilation.
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