THORAX ABDOMEN AND PELVIS

Detailed explanation-1: -The majority of chemical digestion occurs in the small intestine. Digested chyme from the stomach passes through the pylorus and into the duodenum. Here, chyme will mix with secretions from both the pancreas and the duodenum.

Detailed explanation-2: -Chemical digestion takes place throughout your digestive tract. Chemical digestion begins in your mouth with your saliva. The process continues in your stomach and is completed in your small intestine.

Detailed explanation-3: -The small intestine is where most chemical digestion takes place. The three major classes of nutrients that undergo digestion are proteins, lipids (fats), and carbohydrates. Chemical breakdown begins in the stomach and continues through the large intestine.