Digestion begins at the mouth (buccal or oral cavity), passes through the pharynx, oesophagus or food pipe, stomach, small intestine, large intestine, rectum and finally ends at the anus.
1. Mouth: The mouth contains teeth, tongue, and salivary glands. Teeth break food into tiny pieces, saliva lubricates food and the tongue rolls food into a Bolus (food that has been chewed and mixed in the mouth with saliva) for swallowing. Ptyalin converts cooked starch into maltose.
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Helpful indeed.