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Digestion sysetm
Vocabulary uint 7
Question | Answer |
---|---|
digestive tract | the food tube open at both ends |
peristalsis | the movement of food along the food tube by muscles |
esophagus | the part of the food tube between the mouth and the stomach |
mechanical | the breaking down food by the teeth and tongue |
saliva | a liquid found in the mouth |
enzyme | a chemical substance that helps digest food |
physical | A change in the size or shape of something |
gastric | a liquid produced by the stomach |
pepsin | enzymes found in gastric juice |
casein | a milk protein |
villi | tiny finger like parts that stick out from the walls of the small inestine |
Lacteals | the body uses foods that are in the blood stream |