MEDICAL PHYSIOLOGY

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: -The mouth is where the digestive tract begins. Enzymes released into the mouth start the process of digestion.

Detailed explanation-3: -Digestion begins in the mouth, when you chew and swallow, and is completed in the small intestine.

Detailed explanation-4: -Answer: We know that there exists salivary glands in the mouth. Saliva contains digestive enzymes, these enzymes helps in breaking complex sugars to simple sugars. Hence we can say that digestion begins in the mouth.