7 Questions
What is the function of the small intestine?
Digests and absorbs nutrients from food
What are the three sections of the small intestine?
Duodenum, jejunum, and ileum.
What is the function of villi and microvilli in the small intestine?
Increase surface area for efficient absorption.
What is the role of the large intestine in the digestive system?
Absorbs water and electrolytes from indigestible food matter.
What is the longest segment of the large intestine?
Colon
What is the function of the gut microbiota in the large intestine?
Ferments remaining carbohydrates and fiber.
What is the role of the small intestine in the immune system?
Defends against harmful bacteria and viruses.
Study Notes
Small Intestine:
- Part of the digestive system, approximately 6 meters long.
- Consists of three sections: duodenum, jejunum, and ileum.
- Digests and absorbs nutrients from food.
- Uses digestive enzymes and bile to break down carbohydrates, proteins, and fats.
- Villi and microvilli increase surface area for efficient absorption.
- Nutrients are absorbed into the bloodstream and used for energy, growth, and repair.
- Contains specialized cells that defend against harmful bacteria and viruses.
- Plays a vital role in the immune system.
Large Intestine:
- Final segment of the digestive system.
- Absorbs water and electrolytes from indigestible food matter.
- Compacts waste into feces and eliminates it through the rectum and anus.
- Divided into four parts: cecum, colon, rectum, and anus.
- Colon is the longest segment and absorbs water, electrolytes, and vitamins.
- Gut microbiota ferments remaining carbohydrates and fiber.
- Rectum stores feces until elimination.
- Anus is the opening through which feces are eliminated.
Test your knowledge of the digestive system by taking our quiz on the small and large intestine. Learn about the different sections of the small intestine, the role of digestive enzymes and bile, and the importance of absorption for nutrient utilization and immune function. Discover the functions of the large intestine, including water and electrolyte absorption, waste compaction, and the role of gut microbiota. Challenge yourself with our quiz and become an expert on the digestive system!
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