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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 |