explain the digestive system of human
Answers
The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue, salivary glands, pancreas, liver, and gallbladder). Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body. The process of digestion has many stages. The first stage is the cephalic phase of digestion which begins with gastric secretions in response to the sight and smell of food
the process of breaking down or conversion of food into very fine and soluble particle is called digestion digestion starts from mouth where food firstly Crust and grinded by teeth then by the help of term hi this food mixed up with saliva and swallowed through food pipe to the stomach in stomach food is Crust and changed into paste like substance and get mixed with the gastric juice secreted by the gastric glands liver secretes a juice called bile juice the pancreas secrete pancreatic juice the food get mixed with bile juice and the pancreatic juice in the small intestine it absorbs nutritions from the digested food and takes them to all the cells of the body the food that remains undigested and unabsorbed then enters to large intestine it helps in absorption of water from the undigested food which is pushed out as waste eliminated from the body through an external opening called the anus
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