Fill in the Blanks DIGESTION PROCESSOnline version Preparation of the food and digestion in the mouth by Manuel Castellano Roig 1 DIGESTION PROCESS Preparation of the food and digestion in the mouth Before putting food in the mouth the produce saliva . Jaws , teeth and lips move food into the digestive . Masticatión : The tear the food and the crush it : Food is mixed with saliva helped by jaws and tongue , forming a . Saliva stars digestion . Deglution : The tongue pushes the bolus back to the , forcing the to close the . The bolus passes into yhe and is moved dowhwards jn a moving process called .