Explain Human digestive system
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◾The nutrition in human beings takes place through human digestive system. The human digestive system consists of the alimentary canal and its associated glads.
The various organs of the human digestive system are :-
⚫Mouth
⚫Oesophagous
⚫Stomach
⚫Small intestine
⚫Large intestine.
◾The glands which are associated with the human digestive system and form a part of the human digestive system are:-
⚫Salivary glands
⚫Liver
⚫Pancreas
hope it helps you
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༊*· Explain in detail about human digestive system.
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❥ The food we eat cannot be digested by our body directly.
❥ It needs to be broken down into substances which can be easily absorbed by the body.
❥ The process of breaking down the food into simple form is called digestion.
1.
Digestion begins in the mouth. Our teeth chew and break the food into smaller pieces. Saliva makes the food softer and easy to swallow.
2.
The soft chewed food is passed down the down the food pipe to the stomach.
3.
Digestive juice are present in the stomach. These help to digest food while stomach muscles churn it well.
4.
It produces juices that play an important role in the digestion of food.
5.
It is a long coiled tube. The food passed from stomach is further digested here.The digested food is in the liquid form and the nutrients are absorbed into the blood from the walls of this organ. The blood carries these nutrients to various parts of the body.
6.
Fibres cannot be absorbed by the body. They are passed as undigested food into the large intestine. Its blood vessels absorb excess water, store and throw out the undigested semi-solid waste from the body through the anus.