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Science
Digestive System
Question | Answer |
---|---|
What is Heartburn? | when stomach acid goes up your esophagus |
What are the accessory organs? | gall bladder, liver, pancreas |
What are the parts of the digestive system? | Mouth, Stomach, Small intestine |
What are the parts of the tube digestive system? | Mouth, esophagus, stomach, small intestine, large intestine, anus, rectum |
What is peristalsis? | smooth muscle working food down |
Flowchart: | Mouth, esophagus, stomach, small intestine, large intestine, rectum, anus |
What kind of digestion takes place in the stomach? | chemical digestion |
What is the name that the liquid is produced by the stomach? | gastric juice |
What three substances make up gastric juice? | water, enzymes, acid |
What is pepsin? | proteins |
What substances does pepsin help to digest? | proteins/water |
In what form does food leave the stomach? | chyme |
Where does the liquid that leaves the stomach go? | large intestine |
What are the 3 functions of the digestive system? | remove waste, break down food, absorb nutrients and water in bloodstream |
How is food moved along the digestive system? | it is squeezed and spurted: peristalsis - waves of smooth muscle contractions that squeeze food through digestive tract |
Give an example of chemical digesetion | In the mouth saliva changes starch into sugar |
Describe how starch is broken down in the mouth? | saliva contains amylase and enzymes to break down starch into sugar |