THORAX ABDOMEN AND PELVIS

Detailed explanation-1: -Mastication, or chewing, the first step in food digestion, results in the breakdown of large food particles into small pieces. The salivary flow rate influences the masticatory performance.

Detailed explanation-2: -Physical Digestion in the Mouth This causes the food to be broken into smaller pieces. The tongue moves the food around which aids in both physical and chemical digestion.

Detailed explanation-3: -Mechanical Digestion The large pieces of food that are ingested have to be broken into smaller particles that can be acted upon by various enzymes. This is mechanical digestion, which begins in the mouth with chewing or mastication and continues with churning and mixing actions in the stomach.

Detailed explanation-4: -Examples of physical digestion, also known as mechanical digestion, are the act of chewing, as well as peristalsis in the stomach. Chewing, also known as masticating, is the act of physical breaking food apart with one’s teeth and jaws. This is the first step in the digestive process.