The Digestive System of Our Body

09 Dec

 This is our digestive system. Our digestive system performs as a machine that turns food into energy which we need for our everyday chores. As you can see in the chart there are many parts of the digestive system which work together.

The basic part are mouth, esophagus, stomach, small intestine, pancreas,  liver, gallbladder, colon, rectum, anus.


The mouth is where digestion starts by biting the food and chewing them into pieces. The saliva mixes with food to begin the process of breaking it down into a form your body can absorb and use.


The esophagus receives food from your mouth when you swallow. Does deliver the food into your stomach.


The stomach is like a bag or container that holds food. Enzymes and the cells in the lining of your stomach are responsible for breaking down the food you have eaten. And when it is processed, they are released into the next chamber which is the small intestine.

Small intestine

Small intestine is divided into 3 segments.

  • the duodenum – is responsible for the continuous breaking down process.
  • jejunum  + ileum – are responsible for absorption of nutrients into the bloodstream.

The enzyme used to continuous breaking down process is released by the Pancreas and bile from the liver.

The small intestine digest the food from semi-solid and end to liquid. Water, bile, enzymes, and mucous help to the change in consistency. Onces the nutrients have been absorbed the residue then moves on to the large intestine (colon).

  • The pancreas, the Liver and the Gallbladder are the ones who manufactured needed enzymes to breakdwon protein, fats, and carbohydrates.
  • It releases insulin and important enzymes.
  • The Liver is the manufacturer of the chemicals we need in our body to detoxifies potential danger that is harmful in our body. It breaks down and secretes many drugs.


Colon (large intestine)

The color is responsible for processing waste. So it will be convenient to empty the bowels.

The waste product from the digestive process passes here. and it takes 36 hours for the waste before it reaches the colon. The waste itself is mostly what is left from the food you eat and bacteria. This good bacteria performs the functions such as synthesizing vitamins, processing waste products and food particles. It also protects us from harmful bacterias.

When the descending colon becomes full, its empties its contents into rectum for elimination.


The rectum is the stool receiver. The person becomes aware that there is a stool to be released and to stop it temporarily until releasing happens. Sensors send to the brain which will dictate the time of disposing its contents.


The anus is the last part of the digestive organ. It has a special muscle that can stop or hold the stool temporarily until you are ready to dispose its contents.



Posted by on December 9, 2011 in Uncategorized


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