The person digestive system, (also recognized as the digestive tract, the GI tract, the alimentary canal) is a collection of linked organs top from the mouth come the anus. The cradle system permits us to break down the food we eat to achieve energy and nourishment.

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The digestive mechanism -- which have the right to be approximately 30 feet in size in adults -- is usually separated into eight parts: the mouth, the esophagus, the stomach, the tiny intestine (or "small bowel") and also the large intestine (also called "large bowel" or "colon") v the liver, pancreas, and also gallbladder including secretions to assist digestion. This organs combine to do six tasks: ingestion, secretion, propulsion, digestion, absorption, and also defecation.

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The mouth beginning the procedure by ingesting and also mechanically breaking under the food we eat right into a swallowable form, including some early secretions to start the process of digestion. The stomach is the muscular tube connecting the mouth to the stomach. A ring-like muscle in ~ the end of the stomach controls the passage of food into the stomach. This ring-like muscle likewise controls the food native going ago up into the esophagus. The stomach then further liquefies the food and adds digestive acids.

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From over there the stomach components are slowly released into the tiny intestine. The little intestine is where many of the digestion and also absorption of nutrient takes place. Over there are millions of tiny finger-like projections lining the tiny intestine dubbed villi (pronounced: "VILL-ee"). These villi help in the absorption of nutrients. Secretions native the liver, pancreas, and gallbladder are cleared into the little intestine and also aid in the cradle process.

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After traveling with the virtually 20 feet of tiny intestine, unabsorbed material moves right into the colon (large bowel or huge intestine). Here the remaining liquids and salts (electrolytes) are took in from the spend material. Bacteria further breakdown the undigested material, which proceeds to solidify and also eventually overcome from the body as feces with the rectum and also anus during a bowel movement.