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Oral cavity and stomach

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Q: Mechanical breakdown regions in the stomach?
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Name two regions of the digestive tract where mechanical food breakdown processes are very important?

The mouth (by chewing) and the stomach (by gastric motion).


What Two regions of the digestive tract where mechanical food breakdown occur?

oral cavity and stomach


Two anatomic regions involved in the mechanical breakdown of food?

The mouth and the stomach are two anatomical regions involved in the mechanical breakdown of food. In the mouth, teeth mechanically break down food into smaller pieces through mastication. In the stomach, muscular contractions churn and mix food with digestive juices to further break it down into a semi-liquid state.


What is most responsible for the mechanical breakdown?

They are the teeth. Stomach also involve in mechanical digestion


How does the esophagus perform mechanical digestion?

Peristalsis. The movement of muscles bringing the food to the stomach.


The third layer of smooth muscle found in the stomach wall allows mixing and mechanical breakdown by?

Chruning


What are the regions that break down foodstuffs mechanically?

The mouth, specifically the teeth, breaks down food mechanically through the process of chewing. The stomach also contributes to mechanical breakdown through muscle contractions that help mix and churn food.


In addition to storage and mechanical breakdown of food what else happens in the stomach?

initiates protein digestion and denatures proteins


What is the third layer of smooth muscle found in the stomach wall that allows mixing and mechanical breakdown?

The third layer of smooth muscle found in the stomach wall is called the oblique layer. It runs diagonally and allows for churning and mixing of food, aiding in mechanical breakdown and digestion.


Physical breakdown of food?

mechanical breakdown


What digestion is occurring in the stomach?

The stomach has a very acidic environment. This favors the breakdown of proteins. An enzyme (i.e. a biological catalyst) called trypsin is active at acidic conditions (gastric juice) and is responsible for the break down of proteins in the stomach.


How does mechanical breakdown affect chemical breakdown?

Mechanical breakdown makes food smaller so it wasn't be so large for the chemical breakdown.