THORAX ABDOMEN AND PELVIS

Detailed explanation-1: -Saliva contains special enzymes that help digest the starches in your food. An enzyme called amylase breaks down starches (complex carbohydrates) into sugars, which your body can more easily absorb. Saliva also contains an enzyme called lingual lipase, which breaks down fats.

Detailed explanation-2: -Within the mouth, the teeth and tongue begin mechanical digestion. Other accessory organs add secretions (enzymes) that catabolize food into nutrients.

Detailed explanation-3: -The tongue (L. lingua; G. glossa) functions as a digestive organ by facilitating the movement of food during mastication and assisting swallowing. Other important functions include speech and taste.