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| 1. |
Role of liver ,small intestine ,gall bladder,salivary gland. |
| Answer» \tThe\xa0liver\xa0has multiple\xa0functions, but its main\xa0function\xa0within the\xa0digestive\xa0system is to process the nutrients absorbed from the small intestine. Bile from the\xa0liversecreted into the small intestine also plays an important\xa0role\xa0in digesting fat.\tThe\xa0small intestine\xa0is the part of the\xa0intestines\xa0where 90% of the\xa0digestion\xa0and absorption of food occurs, the other 10% taking place in the stomach and largeintestine. The main\xa0function\xa0of the\xa0small intestine\xa0is absorption of nutrients and minerals from food.\tThe\xa0gallbladder\xa0is a small storage organ located inferior and posterior to the liver. Though small in size, the\xa0gallbladder\xa0plays an important\xa0role\xa0in our\xa0digestion\xa0of food. The\xa0gallbladder\xa0holds\xa0bile\xa0produced in the liver until it is needed for digesting fatty foods in the\xa0duodenum\xa0of the small intestine.\tThe\xa0salivary glands\xa0produce\xa0saliva, which keeps the mouth and other parts of the digestive system moist. It also helps break down carbohydrates (with\xa0salivaryamylase, formerly known as ptyalin) and lubricates the passage of food down from the oro-pharynx to the esophagus to the stomach. | |