yes
The digestive system starts at the mouth.
mouth
digestion starts in the mouth as soon as food enters it. then the food is broken down and taken to the esophagus where it is then taken to the stomach.
It is important that the mouth and stomach are at the start of the digestive system because they begin the process of breaking down food into smaller molecules that can be absorbed by the body. This allows for the nutrients in food to be properly digested and utilized for energy and growth.
At your mouth
A shark's mouth is part of the digestive system. Sharks use their mouths to eat and bite into prey.
Digestive system.
A cow has a four-chambered stomach designed to digest coarse plant material.
The mouth is part of the digestive system. Your teeth chew the food and the enzymes in your saliva start converting starch to sugar. Then the chewed food (chyme) leaves your mouth and goes down the esophagus to the stomach.As for the digestive system as a whole, it keeps your mouth and every other part of your body alive. The nutrition extracted by the digestive system is used to feed all the tissues in the body. The circulatory system pumps these nutrients and oxygen though your body so the cells can use them to create energy and stay alive.
Amylase works in the mouth and small intestine in the digestive system.
mouth
the esophagus