Reference: http://training.seer.cancer.gov/module_anatomy/unit10_3_dige_regions.html Class notes hand out 26 / 2 / 2008
Web sight viewed on 27 / 2 2008 Where Does Digestion Start? The digestion starts within the mouth where the action of the teeth and saliva combined in the first stage of breakdown which is chewing and partially digesting the food so that it can pass threw more easily along the oesophagus therefore the ball of the food that leaves the mouth is known as bolus. Saliva The salvia is a liquid secreted by three pairs of The parotid gland placed below the ear The submandibular gland and the sublingual gland both of these are placed below the tongue. It contains water, mucus and enzyme salivary amylase. The Three Functions of the Saliva To lubricate the food