A long, skinny tube-like organ that is a part of the digestive system is the [[1]].

A long, skinny tube-like organ that is a part of the digestive system is the small intestine. 

It is situated between the large intestine and the stomach and is essential for absorbing nutrients from the food we eat.

Nutrients are used by the body to produce energy and support development and repair.

The duodenum, jejunum, and ileum are the three major divisions of the small intestine. 

The first and tiniest segment of the small intestine, the duodenum, is in charge of receiving partially digested food from the stomach as well as bile and digestive enzymes from the liver and pancreas.

The principal site for nutritional absorption is the jejunum, which is the second portion of the small intestine. 

The last part of the small intestine, the ileum, is in charge of absorbing whatever nutrients that are still present as well as vitamin B12 and bile salts.