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Chapter 14 Digestive system
Question | Answer |
---|---|
starch digestion begins in the mouth when ______ is ducted in by the salivary glands. | Salivary amylase |
Gastrin, which prods the stomach glands to produce more enzymes and HCI represents a______. | Hormonal stimulus |
The fact that the mere thought of a relished food can make your mouth water is an exampe of | Psychological stimulus |
Many people chew gum to increase saliva formation when their mouth is dry.This type of stimulus is a________. | Mechanical stimulus |
Protein foods are largely acted on in the stomach by_____. | Pepsin |
For the stomach protein-digesting enzymes to become active,_________ is needed. | HCI |
Since living cells of the stomach and everywhere are largely protein, it is amazing that they are not digested by the activity of stomach enzymes. the most important means of stomach protection is the____it produces. | Mucus |
A milk protein-digesting enzyme found in children but uncommon in adults is______. | Rennin |
The third layer of smooth muscle found in the stomach allows mixing and mechanical breakdown by____. | Churning |
Important intestinal enzymes are the___. | Brush border enzymes |
The small intestine is protected from the corrosive action of hydrochloric acid in chyme by___, which is ducted in by the pancreas. | Bicarbonate-rich fluid |
The pancreas produces protein-digesting enzymes,amylase,and nucleases. It is the only important source of______. | Lipases |
A nonenzyme substance that causes fat to be dispersed into smaller globules is____. | Bile |