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Science
Digestive system
| Question | Answer |
|---|---|
| What does mechanical digestion involve | physically breaking down the food using our teeth |
| What are the jobs of the teeth | the front cut and the molars grind |
| why is it better when the food particals are smaller | because it has a larger surface are to break down using saliva and other chemicals |
| why do we chemically break down food and hiw | we do it so the nutrients can be absorbed into our bloodstream and it is done by lots of different chemicals produced in our body |
| name three chemicals involved in chemical digestion | Enzymes, insulin and stomach acid |
| What does the mouth do | the food gets chemically broken down using the teeth and chemically broken down by the saliva |
| what does the oesophagus do | the food gets swallowed and pushed down using peristalsis |
| what does the stomach do | it breaks down the food using enzymes |
| what does the pancreas do | it produces insulen that breaks down suars |
| what does a pancreas deficiency result in | diabetes |
| What does the bile duct do | it produces bile that helps to break down food |
| what does the liver do | it is where damged or old blood cells get broken down and fats get turned into energy |
| what does the Duodenum do | this is where stomach aciuds and bile from the gall bladder break dow foods |
| what does the ileum do | this is the second half of the small intestine where some water parts and vitamin B12 are absorbed |
| what does the large intestine do | this is where the rest of the water is absorbed and used in the rest of the body for metabolism |
| what does the appendix do | this is where infction fighting cells are produced |
| what does the anus do | this is where what remaining roughage is exceted |
Created by:
emmadixon
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