NEET PG DENTAL EXAM

HEAD NECK

PHARYNX LARYNX 47

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The teeth grinding and mashing food is an example of
A
mechanical digestion
B
chemical digestion
C
absorption
D
diffusion
Explanation: 

Detailed explanation-1: -Digestion begins immediately in the oral cavity with both mechanical and chemical digestion. Mechanical digestion in the oral cavity consists of grinding of food into smaller pieces by the teeth, a process called mastication.

Detailed explanation-2: -Grinding food with teeth is an example of mechanical digestion, known as mastication.

Detailed explanation-3: -In the mouth, the enzyme amylase is secreted to begin breaking down complex carbohydrate. Mechanical breakdown starts with mastication (chewing) in the mouth. Teeth crush and grind large food particles, while saliva initiates the chemical breakdown of food and enables its movement downward.

There is 1 question to complete.