This process, called digestion , allows your body to get the nutrients and energy it needs from the food you eat. So let’s find out what’s happening to that pizza, orange, and milk. The digestive system consists of the parts of the body that work together to turn food and liquids into the building blocks and fuel that the body needs.

The mouth is the beginning of the digestive tract. In fact, digestion starts here as soon as you take the first bite of a meal. Chewing breaks the food into pieces that are more easily digested, while saliva mixes with food to begin the process of breaking it down into a form your body can absorb and use.

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The diagram of the digestive system that is provided in the article will give one a better understanding of this organ system, as the food moves down from the mouth, through the esophagus to the stomach, small intestine and the large intestine, before it is excreted through the rectum and the anus.

Though making a digestion system diagram by hand is difficult, here are a few steps that they can follow: Step 1: The system starts from the mouth and forms a pipe-like structure connected to the stomach, known as the esophagus. The stomach looks like a big bean-shaped sack people should draw these in the beginning.

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