NEET PG DENTAL EXAM

HISTOLOGY

DIGESTIVE SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the function of the teeth in digestion?
A
to dissolve food
B
to break down food into smaller pieces
C
to absorb nutrients
D
to absorb water
Explanation: 

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: -Teeth help in breaking of food into small pieces in the mouth so that it can be absorbed and digested easily.

Detailed explanation-3: -Food is crushed into small pieces by the teeth. The food is then mixed with saliva and the enzyme amylase (found in saliva) breaks down starch into sugars. The tongue helps in thorough mixing of food with saliva. Food goes directly through the oesophegus to the stomach, there is no breakdown of food in mouth .

There is 1 question to complete.