Question

explain how our digestive system works.

Answer 1

about our digestive system contains the elementary Canal which work for digestion of food firstly it goes to the mouth firings and then to the food pipe cord exercises after that in the stomach small intestine pancreas

Answer 2

Digestion of food is defined as a biochemical process in which complex food is made simple by the help of enzymes .it is also a catabolic or destructive process by which complex non-diffusable food materials are converted into dimple, diffusable and soluble form suitable for absorption and assimilation.The enzymes (biocatalyst) are responsible for degradation of complex is also defined as hydrolysis of complex food.
The food that animals eat provide them energy to carry on various vital activities such as muscle contraction , locomotion, circulation, digestion etc.Food provides materials for growth and synthesis of body substances .The food consists six essential parts, namely, carbohydrates, proteins, fats, vitamins, mineral salts, and water.The main bulk of food of animals comprises of carbohydrates , proteins and fats which are required for energy and building of body .But vitamins, mineral salts and water are required for body building and regulative action of the body.In addition to these , organic substances like choline , purines, pyrimidines and sterols are also believed as constotuents of food.

DIGESTIVE SYSTEM IN HUMAN
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The digestive system of man comprises of alimentary canal and associated glands like liver and pancrease.These are associated with ingestion, digestion, absorption, assimilation and egestion.The alimentary canal is a long, coiled tube which is differentiated into four zones.They are ingressive zone (includes mouth and bucal cavity) associated with the reception of food, PROGRESSIVE ZONE (oesophagus and stomach) concerned with conduction and storage of food, DEGRESSIVE ZONE ( small intestine) associated with digestion and absorption of digested food, and EGRESSIVE ZONE ( large intestine) associated with the formation and removal of faeces.

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