An overview of the human digestive system and how it works

Your small intestine makes digestive juice, which mixes with bile and pancreatic juice to complete the breakdown of proteins, carbohydrates, and fats.

The chyme is very acidic, with a low pH, having been released from the stomach and needs to be made much more alkaline. It is located just inferior to the stomach and takes up most of the space in the abdominal cavity.

Human digestive system

Bacteria in your large intestine help break down remaining nutrients and make vitamin K. Organs that help with digestion, but are not part of the digestive tract, include the following: The duodenum is the first and shortest section of the small intestine.

This stuff needs to be passed out of the body. There are also digestive cells called enterocytes lining the intestines the majority being in the small intestine.

The teeth are named after their particular roles in the process of mastication— incisors are used for cutting or biting off pieces of food; caninesare used for tearing, premolars and molars are used for chewing and grinding.

Aqueous pancreatic secretions from pancreatic duct cells contain bicarbonate ions which are alkaline and help with the bile to neutralise the acidic chyme that is churned out by the stomach. This also contains villi and vitamin B12 ; bile acids and any residue nutrients are absorbed here.

Your Digestive System

Small Intestine The small intestine is divided into three parts: Mouth and Salivary Glands When you pick up your favorite dish to eat, you may feel your mouth begin to water.

Saliva moistens dry food and contains salivary amylase, a digestive enzyme that begins the digestion of carbohydrates. The muscle behind the food contracts and squeezes the food forward, while the muscle in front of the food relaxes to allow the food to move.

In your large intestine, more water moves from your GI tract into your bloodstream. Lipase is a digestive enzyme that catalyses the hydrolysis of lipids fats. Like the small intestine, it is packed into the body, and would measure 5 feet about 1. What clinical trials are open?

All this while, the food is chewed into tiny pieces in the mouth, and is simultaneously mixed with saliva to make it soft and easy to swallow. There are other glands on the surface of the tongue that encircle taste buds on the back part of the tongue and these also produce lingual lipase.

The tongue is attached to the floor of the mouth by a ligamentous band called the frenum [5] and this gives it great mobility for the manipulation of food and speech ; the range of manipulation is optimally controlled by the action of several muscles and limited in its external range by the stretch of the frenum.

It is located just inferior to the stomach and wraps around the superior and lateral border of the small intestine. There are a number of esophageal diseases such as the development of Schatzki rings that can restrict the passageway, causing difficulties in swallowing.

The small intestine can also be obstructed by a volvulusa loop of intestine that becomes twisted enclosing its attached mesentery. Also, now you can test for your genetic risk of acquiring celiac disease - learn more about DNA health testing.

Digestive System -- An Overview

The muscles of the small intestine mix food with digestive juices from the pancreas, liver, and intestine, and push the mixture forward for further digestion. Small blood and lymphatic vessels in the intestinal wall pick up the molecules and carry them to the rest of the body.

The first two components absorb the fluids and salts and produce mucus to help the stool move easily through the descending colon to the rectum, which is the final component of the large intestine, from which the stool is excreted from the body.

The liver is located in the upper right quadrant of the abdomen and below the diaphragm to which it is attached at one part, This is to the right of the stomach and it overlies the gall bladder. How does the Digestive System Work?

The liver produces bilean important alkaline compound which aids digestion.The digestive system is a set of organs, passageways, and glands that work together to process complex food into the simple molecules your body needs. The digestive system includes your teeth.

In this Understand an analysis of the approach of clifford geertzs the raid digestive disorders. as well as many careers in the an overview of the human digestive system and how it works An analysis of the microsoft windows me operating system health sciences An overview of the company profile of apple computers The Human Digestive System Interactive anatomy images teach you all.

The digestive system is made up of the gastrointestinal tract—also called the GI tract or digestive tract—and the liver, pancreas, and gallbladder.

The GI tract is a series of hollow organs joined in a long, twisting tube from the mouth to the anus. The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue, salivary glands, pancreas, liver, and gallbladder).

Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body. Detailed information on how the digestive system works, including a full-color, labeled illustration of the digestive system. Digestive System -- An Overview. See related health topics and resources.

The digestive system is made up of the digestive tract and other organs that aid in digestion. What is included in the digestive system?

The digestive system is made up of the digestive tract and other organs that aid in digestion. The digestive tract is a series of hollow organs joined in a long, twisting tube from the mouth to the anus, consisting of the following: Mouth. Esophagus. Stomach.

Digestive System

Small intestine. Large intestine. Rectum. Anus.

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An overview of the human digestive system and how it works
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