The process of digestion begins in the mouth,where the _______________ tear,cut and grind the food into smaller pieces., teeth, The _____________ helps to mix the food with saliva and also helps in speech., tongue, ______________ softens the food which makes it easier to be swallowed., saliva, The food then travels from the mouth to the stomach through a long tube called the ________________., oesophagus, The food is moved by a wave like ________________ movement., muscle, In the stomach,muscles churn the food and mix it with ________________to kill any harmful microorganisms., acid, The food is mixed with ________________ that breaks down complex food into it's simpler form.., enzymes, _________________ is an organ in the digestive system through which food does not pass but its still a vital part of the process., liver, ______________ does not produce digestive juice but helps in storing. , gall bladder, The pancreas produces enzymes ,which are then released into the ________________ intestine., small, The liver produces _____________,a digestive juice which helps to break down fats., bile, In the small intestine,enzymes continue to break down carbohydrates,proteins and ________________ into smaller molecules., fats, Simpler molecules are absorbed into the bloodstream through finger like projections called the ___________________., villi, Undigested food then travels to the large intestine ,where _______________ is reabsorbed into the bloodstream., water, The undigested food is stored in the _______________ as faeces until it is ready to be released. , rectum, Faeces are released from the _____________ when you go the toilet., anus, The human digestive system takes __________ hours to digest a meal., 3 to 4 , An athlete should consume food items that are rich in ___________., proteins, In an adult jaw there are ________ premolars., 12, Carbonated drinks leads to the _____________ of the enamel which is the outer most layer of the teeth. , erosion.
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Digestive System
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