THORAX ABDOMEN AND PELVIS

MEDICAL

RECTUM AND ANUS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Where does digestion start?
A
stomach
B
mouth
C
esophagus
D
None of the above
Explanation: 

Detailed explanation-1: -Digestion begins in the mouth. The food is ground up by the teeth and moistened with saliva to make it easy to swallow. Saliva also has a special chemical, called an enzyme, which starts breaking down carbohydrates into sugars.

Detailed explanation-2: -Minor salivary glands – make the clear fluid (saliva) that keeps the mouth moist and contains enzymes to break down food. These glands are found in various locations around the mouth, including the inner cheeks.

Detailed explanation-3: -An enzyme called salivary amylase is found in the saliva of our mouth which breaks down large molecules of carbohydrates into smaller ones. These are easily and quickly absorbed by the intestine when they reach there. Thus, when we chew the food properly, it is digested well.

There is 1 question to complete.