The small intestine of the digestive system is another organ, after the brain, that is designed expressly to increase surface area. The small intestine is a lengthy, intricate tube that carries nutrients from the food we consume into the bloodstream for absorption.
The duodenum, jejunum, and ileum are the three sections of the small intestine. It aids in the further digestion of stomach-born meals. It takes in water, vitamins, minerals, carbs, lipids, and proteins from meals so that the body can utilize them. The digestive system includes the small intestine.
The small intestine is really the longest part of your digestive system, measuring on average roughly 22 feet (or seven meters), or three and a half times the length of your body so as to increase surface area, despite the fact that the large intestine is thinner.
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