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Human body system (Skeletal system (parts: (Skull, Ribcage, Backbone),…

- - - - tongue mixes food with saliva
      - teeth chew food into smaller pieces
      - saliva has digestive juices which breaks down food into simpler substances
    - - has muscles to push the food down into the stomach
    - - the stomach walls produce digestive juices which breaks down the food into small pieces
    - - produces digestive juices which further breaks down the food into simpler substances
      - the digested food will be absorbed into the blood stream and will be carried to all parts of the body
      - it passes the undigested food to the large intestine
    - - it absorbs water and minerals from the undigested food into the body.
    - - faeces are passed out of the body through it