HUMAN NUTRITION

Detailed explanation-1: -Proper digestion requires both mechanical and chemical digestion and occurs in the oral cavity, stomach, and small intestine. Additionally, digestion requires the secretions from accessory digestive organs such as the pancreas, liver, and gallbladder.

Detailed explanation-2: -Both mechanical digestion and chemical digestion of carbohydrates and fats begin in the mouth. The pharynx and esophagus play the general role of transport by moving food from the mouth to the stomach.

Detailed explanation-3: -Chemical digestion begins in your mouth with your saliva. The process continues in your stomach and is completed in your small intestine. The majority of chemical digestion takes place in your small intestine.