AP BIOLOGY

Detailed explanation-1: -Mechanical digestion in the oral cavity consists of grinding of food into smaller pieces by the teeth, a process called mastication.

Detailed explanation-2: -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-3: -The tongue is a workhorse, facilitating ingestion, mechanical digestion, chemical digestion (lingual lipase), sensation (of taste, texture, and temperature of food), swallowing, and vocalization. The tongue perform three important digestive functions in the mouth: Position food for optimal chewing.

Detailed explanation-4: -Mastication, Bolus Formation, and Swallowing Mastication, or chewing, the first step in food digestion, results in the breakdown of large food particles into small pieces.

Detailed explanation-5: -Mechanical digestion is physical digestion done by teeth. Churning of food into smaller substances is an example of mechanical digestion. Breaking down food into a smaller substance is a helpful process so that food can easily undergo chemical digestion.