mouth

digestive system

why the mouth is part of the digestive sytem

the mouth is part of the digestive sytem because your saliva ,teeth and tounge. the reason your saliva is part of the digestive system is because the amylase. The amylase helps break down the sugar . your teeth are part of the digestive system because you chew the food and it breaks it apart. and your tounge is part of the digestive system because it moves the food around in your mouth.