What is the primary function of the small intestine?
Understand the Problem
The question is asking about the main role of the small intestine in the human body. It provides multiple-choice options to identify the correct function, which is focused on digestion and nutrient processing.
Answer
Breaks down food, absorbs nutrients, and excretes waste.
The primary function of the small intestine is to break down food, absorb nutrients (such as vitamins, minerals, carbohydrates, fats, and proteins), and excrete unnecessary components.
Answer for screen readers
The primary function of the small intestine is to break down food, absorb nutrients (such as vitamins, minerals, carbohydrates, fats, and proteins), and excrete unnecessary components.
More Information
The small intestine plays a crucial role in digestion and nutrient absorption, acting as a barrier to harmful bacteria and is approximately 20 feet long in adults.
Sources
- Small Intestine | MUSC Health | Charleston SC - muschealth.org
- Small Intestine: Function, Parts, Length & Location - Cleveland Clinic - my.clevelandclinic.org
- Small intestine: Anatomy, location and function - Kenhub - kenhub.com
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