THORAX ABDOMEN AND PELVIS

Detailed explanation-1: -Food leaves the mouth when the tongue and pharyngeal muscles propel it into the esophagus. This act of swallowing, the last voluntary act until defecation, is an example of propulsion, which refers to the movement of food through the digestive tract.

Detailed explanation-2: -The digestion process can be divided into three phases-the cephalic phase, the gastric phase, and the intestinal phase.

Detailed explanation-3: -Eat food. Break down the food into tiny pieces. Absorb nutrition into the body: move the small particles out of the digestive system and the rest of the body. Get rid of the waste, which is anything your body can’t use.