The Small Intestine

The small intestine is made up of thee sections, including the duodenum, the jejunum and the ileum. On its proximal (near) end, the small intestine—beginning with the duodenum—connects to the stomach. On its distal (far) end, the ileum—the last segment of the small intestine—connects to the large intestine (colon).

Small Intestine. 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 “small intestine” because it is only 1 inch in diameter, making it less than half the diameter of the large intestine.

The small intestine (commonly referred to as the small bowel) is a tubular structure/organ that is part of the digestive system. In fact, it is the longest portion of the digestive system, approximately 20 to 25 feet in length.

This diagram with labels depicts and explains the details of The Small Intestine.

The Small Intestine

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