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...Chapter food and digestion class subject science d write short answers why do we need ans because it helps us to grow gives energy keep healthy name any three items which contain starch the are rice wheat potato four sources of vitamins minerals fresh fruits vegetables meat milk what is a balanced diet that right amounts all groups where does digested enter from stomach after enters our pushed into small intestine e answer these questions happens in mouth broken down smaller pieces by chewing teeth bite crush this process make soft easier swallow function inside walls produce juice mixed with juices help completely digest main absorption when till reaches large digestive liver pancreas almost like liquid preservation prevent spoilage or decay for long time called how preserve can different ways i keeping refrigeration ii airtight containers iii drying iv salting v fermentation etc tick correct eggs fish cheese peas pulses b body building foods protective c calcium potassium sodium iodi...