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Small intestine



Bowel: important nutrient absorption function

Introduction (what it is)

The small intestine is a part of the digestive tract that starts in the stomach and goes to the large intestine.

Main function

Its main function is to absorb the nutrients necessary for the human body.

Physical characteristics:

Measures approximately 3 meters in length.

It is divided into three parts:

- Duodenum: has a letter format "C". It is in this part of the intestine that pancreatic juice and bile juice act, turning the chima into kilo.

- Jejunum: part of the intestine where the nutrients present in the ingested food are absorbed.

- Ileum: Continues the absorption of nutrients that began in the jejunum. Much of the absorption of vitamin B12 occurs in the ileum. It has thin tunics and is narrow.