The intestines are a key part of the body's digestive tract and are responsible for absorbing nutrients from the foods you eat. Although the small intestine is better know for its role in nutrition, the large intestine also absorbs some key nutrients, including water, salts and vitamins that allow the body to function normally. read more
Most nutrient absorption occurs in the upper portion of the small intestines. Nutrient absorption is an important function of the digestive system. Most nutrient absorption occurs in the upper portion of the small intestines. read more
Digested nutrients pass into the blood vessels in the wall of the intestine through a process of diffusion. The inner wall, or mucosa, of the small intestine is lined with simple columnar epithelial tissue. read more
The small intestine absorbs most of the nutrients in your food, and your circulatory system passes them on to other parts of your body to store or use. Special cells help absorbed nutrients cross the intestinal lining into your bloodstream. read more