HUMAN NUTRITION

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 digestive process starts in your mouth when you chew. Your salivary glands make saliva, a digestive juice, which moistens food so it moves more easily through your esophagus into your stomach. Saliva also has an enzyme that begins to break down starches in your food. Esophagus.

Detailed explanation-3: -The digestive process begins in the mouth when a person chews. Additionally, saliva includes an enzyme that initiates the breakdown of food’s carbohydrates. Saliva facilitates meal digestion and helps with the breakdown of carbohydrates.

Detailed explanation-4: -The digestive system is composed of the alimentary canal and associated glands. Humans take food through the mouth, digest the food and finally, the undigested food is removed from the body. The food passes from the oral cavity and finally, the undigested food is defecated through the anus.

Detailed explanation-5: -Process of digestion starts in the mouth . Teeth bite and chew the food and break it into small pieces. The digestive juice called saliva secreted by the salivary glands mixes with the food while chewing. Saliva changes the insoluble starch in food into soluble sugar.