Arrow (down) icon.An arrow icon, usually indicating that the containing element can be opened and closed. 1  Screening for Prostate Cancer Minus iconIcon indicating subtraction, or that the element can be closed. Plus IconIcon indicating addition, or that the element can be opened.
The small intestine is a long, highly convoluted tube in the digestive system that absorbs about 90% of the nutrients from the food we eat. It is given the name âsmall intestineâ because it is only 1 inch in diameter, making it less than half the diameter of the large intestine.
Since most all nutrients that a human needs are absorbed via the digestive system. All carbohydrates, proteins, and fats are absorbed in the small intestine.    Thin â¦ gs are absorbed throughout the entire system, with the exception of the esophagus. Some glucose, for example, can be absorbed in the mouth. Water, alcohol, and some nutrients are absorbed in the stomach. Most nutrient absorption occurs in the small intestine. Water and some minerals and vitamins are absorbed in the colon. Most vitamin K is produced by bacteria in the colon and absorbed there. 33 people found this useful. 1  The Five Major Parts of the Brain At its most basic, the brain controls the body.