Body functions

Oesophagus
Its function is to transport food and fluid, after being swallowed, from the mouth to the stomach. No absorption of nutrients takes place in the oesophagus. The oesophagus is a muscular tube connecting the throat with the stomach. The oesophagus is about 8 inches long and is lined by moist pink tissue called mucosa.






Stomach
The stomach is a muscular organ located on the left side of the upper abdomen, It is a pear-shaped enlargement of the alimentary canal linking the oesophagus to the small intestine. The stomach muscles contract periodically, churning food to enhance digestion.


The small intestine
The main function of the small intestine is an absorption of nutrients and minerals from food. The small intestine is the part of the gastrointestinal tract between the stomach and the large intestine.
The inner lining of the small intestine is folded back and forth to increase surface area for better nutrient absorption.


Liver
The liver's main job is to filter the blood coming from the digestive tract. The liver is your largest internal organ. About the size of a football, it's located mainly in the upper right portion of your abdomen, It helps with being able to With the help of vitamin K, the liver produces proteins that are important in blood clotting. It is also one of the organs that break down old or damaged blood cells.



The large intestine
The major function of the large intestine is to absorb water.
 It is placed around the small intestine.Irons and nutrients released by gut bacteria and dissolved in water are also absorbed in the large intestine and used by the body for metabolism