THORAX ABDOMEN AND PELVIS

Detailed explanation-1: -Proper digestion requires both mechanical and chemical digestion and occurs in the oral cavity, stomach, and small intestine.

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. The majority of chemical digestion takes place in your small intestine.

Detailed explanation-3: -In your stomach, unique chief cells secrete digestive enzymes. One is pepsin, which breaks down proteins. Another is gastric lipase, which breaks down triglycerides. In your stomach, your body absorbs fat-soluble substances, such as aspirin and alcohol.

Detailed explanation-4: -The organs that perform both mechanical digestion and chemical digestion are the mouth and the stomach. Mechanical digestion includes the physical break down of food. In the mouth, the teeth macerate the food and grind it up into a bolus. The bolus is swallowed and goes through the esophagus and into the stomach.