What are the parts of the digestive system?
Mouth, oesophagus, stomach, liver, pancreas, small intestine, large intestine, rectum, anum
What is the function of the digestive system?
Break down food, into small particles (nutrients) to give energy to all the cells
Which are the four main stages of the digestive system?
Ingestion, digestion, absorption and elimination
What happen in the ingestion? where does it happen?
Take in food, chew and swallow. It happens in the teeth, mouth.
What happen in the digestion? where does it happen?
Movement of food. It happens in the oesophagus, stomach and intestines.
What happen in the absorption? where does it happen?
Small intestine: nutrients. Large intestine: water
What happen in the elimination? Where does it happen?
We expell waste. It happens in the anus.
What process happen in the oesophagus?
Peristalsis, by which food is pushed down into your stomach
What happen in the stomach? The bolus of food is combined with....?
Gastric juices, that breadk down the food and kill dangerous bacteria, forming the chyme.
What liquid is stored in the liver?
Bile
What happen in the pancreas?
There are enzymes, that break down the chyme in nutrients: proteins, carbohydrates, fats, vitamins, minerals.
What is absorbed in the small intestine?
Nutrients, that go to the blood.
What is absorbed in the large intestine?
Water, that mixes with food waste
