Human digestive system diagram

Parts of the digestive system 
How the digestive system works

The human digestive system diagram given below will give you an idea of how the food you eat passes through the digestive system.

The digestive tract (also referred to as alimentary canal) consists of digestive organs that take in food, processes it (digests) to get the required nutrients for the body and expels the remaining waste material.

Human digestive system diagram - How the digestive system works

There is no need for you to know and understand how the digestive system works, unless you are studying to be a doctor. Even a new born baby digests it's food. The whole digesting process happens on its own.

When you know how the digestive system works, you can at least try to make some changes in your diet and eating habits to improve it.

These changes may not happen overnight. But they may make your digestive health better and that is bound to make your life better too. It is worth learning and understanding the digestive process.

Human Digestive System Diagram

Image from wikimedia

We eat different kinds of foods, such as grains, vegetables, fruits, nuts, juices etc everyday. Our body can not use them as nourishment in the form we eat, it can not be absorbed in the blood.

The foods have to be changed into nutrients that can be absorbed in our blood. After digestion, these nutrients are sent to different parts of the body.

Digestion of different foods is the process in which the food is mixed with the digestive juices and food is changed in the way the body can absorb it to get energy.

The digestive system starts at the mouth and ends at the anus. The digestive disorder can affect any of the digestive organs.

A person may experience digestive system diseases if any function of the system has problem. The overall digestive health of a person depends on how the digestive system works.

Parts of the digestive system - How the digestive system works

Mouth Mouth takes in the food and the digestion process starts immediately. The mouth has teeth, tongue and salivary glands. These help in chewing, turning the food in the mouth. Saliva keeps the food wet and starts the digestion process for carbohydrates.

Esophagus - Food Pipe - also referred to as oesophagus or food pipe Esophagus is the food pipe or the gullet. When the food is swallowed from the mouth, it goes down through the esophagus to the stomach. Esophagus is the tube that connects mouth to the stomach.

Stomach Stomach is a container that receives the food from the esophagus and continues with the digestion. After that the stomach contents are sent to the small intestine.

Small intestine When the food is received by the small intestine, the food content is semi solid. The small intestine continues the digestion by mixing them well with the digestive juices, which makes the food liquid. It also helps absorb some nutrients in the blood stream. After that, food is sent to the large intestine, also known as colon.

Large Intestine - Colon or bowel Large intestine is a very special digestive organ which is also known as colon. It deals with the waste remaining after the food digestion. It removes the excess water and forms a stool. When the colon functions well, the bowel movement is easy.

Rectum - Rectum holds the stool until the evacuation happens.

Anus - Anus is the lower end, last part of the digestive tract through which the elimination happens.

Pancreas, Liver, Gall bladder are the accessory digestive organs. The digestive disorders can start because of many reasons.

Go to Functions of the digestive system to know more about each organ's function in the digestive process.



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