The Digestive System Flashcards
What order of the digestive system?
Mouth Gullet Diaphragm Stomach Pancreas Liver Gall Bladder Bile duct Duodenum Small intestine Large intestine Appendix
Order of organs
Mouth Salivary glands Oesophagus Stomach Pancreas Liver Gall bladder Small intestine Large intestine
What is the function of the mouth?
It is when food Enters the alimentary canal and digestion begins
What is the function of the salivary glands?
They produce saliva which moistens food. They change insoluble starch into sugar, tubes or duct carry saliva into the mouth.
What is the function of the oesophagus?
It has two layers of muscle which are adapted to squeeze the food along in a rhythmical way, this is called peristalsis. It has fairly thick skin which protects the oesophagus from the food which is sometimes dry and can scratch the wall. It is a powerful muscular wall
What is the function of the stomach?
The stomach has two powerful muscles (circular and traditional) which churn the food into pulp. Underneath the muscles there is a layer of fat and then a layer of glandular tissue which produces chemical substances. It is lined with skin which folds During an empty stomach and stretches when the stomach is full
What is the function of the small intestine?
It has a tube which is 20 feet long and it’s lining is able to fold even more than the stomachs. It forms vili so that the surface looks like velvet and gives a huge surface for absorbing food. It speeds up diffusion and ends in equilibrium, the equal amounts of blood and nutrients leads to active transport which needs energy which needs mitochondria. The vili and glandular produce internal digestive juices and Changes the food into soluble Form which
