The Digestive System

All you can eat!

The Organs

These are the organs inside the Digestive System but it does not include the mouth in the picture.

Levels of Oranization

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The Stomach Cell

The stomach cells have cell walls that is completely impenetrable. Parietal cells produce gastric acid in response to histamine, acetylcholine, and gastrin.
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The Stomach Tissue

Also called epithelial tissue and areolar connective tissue. This is a thin layer of sooth muscle. The outer layer is the serosa.
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Organ

It is located at the upper left abdomen. It receives food from the esophagus. It is filled with acids to break down the food.
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The Organ System

These are the organs inside the Digestive System but it does not include the mouth in the picture. The food runs all the way down to the anus and takes the form of poop.
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Organism

All of the different organ systems build the organism. He needs all of the organ systems or he will die.

Homeostasis

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The Digestive system contributes to homeostasis by breaking down food molecules and absorbing them into the cells, and regulating water intake.
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Interact

Respitory system

The digestive system interacts with the repository system because the mouth breathes in air.
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Endocrine

This controls the speed of digestion.
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