The Digestive System and Its Importance to the Body!

The digestive system is an intricate part of the human body that helps break down food into a liquid so it can be easily transferred and absorbed by the entire body. This complex system is the secret to your body health and why your body looks and feels the way it does. Understanding how this miraculous system works will help you reach all of your perfect body health goals.

The digestive system is made up of the digestive tract (a series of hollow organs joined in a long, twisting tube from the mouth to the anus) and other organs that help the body break down and absorb food. This page will discuss the importance of this crucial system, how it works. It also discusses why you need vitamins, minerals, proteins, fats, water, salt, and carbohydrates for the digestive process.

Organs that make up the digestive tract are the mouth, esophagus, stomach, small intestine, large intestine (also called the colon) rectum, and anus. Inside these hollow organs is a lining called the mucosa. In the mouth, stomach, and small intestine, the mucosa contains tiny glands that produce juices to help digest food. The digestive tract also contains a layer of smooth muscle that helps break down food and move it along the tract.

Two "solid" digestive organs, the liver and the pancreas, produce digestive juices that reach the intestine through small tubes called ducts. The gallbladder stores the liver’s digestive juices until they are needed in the intestine. Parts of the nervous and circulatory systems also play major roles in the digestive system and all of its processes.

The Digestive System

Why is Digestion Important?

When you eat foods such as bread, meat, and vegetables, they are not in a form that the body can use as nourishment. Food and drink must be changed into smaller molecules of nutrients before they can be absorbed into the blood and carried to cells throughout the body. Digestion is the process by which food and drink are broken down into their smallest parts so the body can use them to build and nourish cells and to provide energy.

How is Food Digested!

Digestion involves mixing food with digestive juices, moving it through the digestive tract, and breaking down large molecules of food into smaller molecules. The digestion system process begins in the mouth, when you chew and swallow, and is completed in the small intestine.

Learn a more detailed description of how the digestive system works and why what you eat is very important for your digestive process.

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