AP BIOLOGY

Detailed explanation-1: -The small intestine is the longest digestive organ. It consists of a long narrow tubular part that is divided into three parts, namely, Duodenum, Jejunum, and Ileum. Approximately. the length of the small intestine is about 6 meters long.

Detailed explanation-2: -The small intestine, which is 670 to 760 cm (22 to 25 feet) in length and 3 to 4 cm (about 2 inches) in diameter, is the longest part of the digestive tract.

Detailed explanation-3: -Ileum. The ileum is the last and longest section of the small intestine. Here the walls of the small intestine begin to thin and narrow, and blood supply is reduced. Food spends the most time in the ileum, where the most water and nutrients are absorbed.

Detailed explanation-4: -The small intestine has three parts: the duodenum, jejunum, and ileum. It helps to further digest food coming from the stomach. It absorbs nutrients (vitamins, minerals, carbohydrates, fats, proteins) and water from food so they can be used by the body. The small intestine is part of the digestive system.

Detailed explanation-5: -Small intestine is the longest part of the alimentary canal. It is narrower than the large intestine, but forms the longest section of your digestive tube, The length is about 6.7 meters which is 3.5 times the length of the human body. Absorption of food occurs in the small intestine.