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,

Digestive System

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