Which Region of the Alimentary Canal absorbs the Digested Food?

By BYJU'S Exam Prep

Updated on: November 9th, 2023

The main region of the Alimentary Canal that absorbs digested food and nutrients is the small intestine. The digestive process is only completed here, and the final products of digestion are absorbed through the mucous membranes into the bloodstream. The small intestine is the digestive system’s longest part (6 meters). It is in the tubular part that occupies the middle and lower part of the abdominal cavity.

Region of Alimentary Canal that absorbs the Digested Food

Most food molecules that have been digested, together with water and minerals, are absorbed in the small intestine and then sent to other bodily areas for storage or additional chemical alterations. Absorbable substances are helped to penetrate the gut tract and enter the circulation by specialised cells.

Simple sugars, amino acids, glycerol, certain vitamins, and salts are transported to the liver via circulation. Fatty acids and vitamins are absorbed through the lymphatic system, a system of capillaries that transports white blood cells and a fluid called lymph throughout the body. The small intestine is divided into the following parts:

  • Duodenum – The widest, shortest, and most curved part of the small intestine. It is C-shaped and receives bile from the pancreas.
  • Jejunum – The central part of the small intestine.
  • Ileum – The longest part of the small intestine. It eventually opens in the cecum in the lower abdominal cavity.


Which Region of the Alimentary Canal absorbs the Digested Food?

The small intestine region of the alimentary canal absorbs the digested food. It absorbs most of the digested food molecules, water, and minerals and passes them on to other body parts for storage or further chemical modification. The alimentary canal’s small intestine measures 6 meters in length. It is a tubular component that takes up the bottom and middle portions of the abdominal cavity.

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