define briefly nutrition in human being ....
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Human nutrition deals with the provision of essential nutrients in food that are necessary to support human life and health. Poor nutrition is a chronic problem often linked to poverty, food security or a poor understanding of nutrition and dietary practices.
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nutrition in human beings
the alimentary canal is basically a long tube extending from the mouth to the anus we can see that the test tube has different parts various regions are specialised to perform different function IIT various types of food which has to pass through the same digestive tract literally the food has to be processed to generate particles which are the small and of the small textured this is achieved by crossing the food with our teeth since the lining of the canal is topped the food is also wanted to make its passes mood when we eat something we like our mouth waters this is actually no 21 new water but of fluid called saliva secreted by the salivary glands another aspect of the foods we invest its complex nature if it is to be observed from the elementary canal it has to be broken into smaller molecules this is done with the help of biological catalyst called India and the Saliva contains an enzyme called celebrity mis that breaks down starch which is a complex molecules to give sugar the food is mixed thoroughly with saliva and move around the mouth while giving by the muscular tongue is necessary to move the food in a regulated manner along the digestive tube so that it can be processed properly in each part the lining of canal has muscles that the contract dynamically in order to push the food forward this is particularly movement occur all along the gut from the mouth the food is taken to the store much through the food pipe autofocus this too much is a large organ which exact explain the food Intex it the muscular walls of the stomach health in the mixing the food is slowly with more digestive juice is digested in Sun functions are taken care of by the gastric glands present in the Wall of the stomach releases hydrochloric acid and protein digesting enzyme called pepsin and Marcus hydrochloric acid kids and acid medium which facilities the action of the enzymes pepsin
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