WebThis is mechanical digestion, which begins in the mouth with chewing or mastication and continues with churning and mixing actions in the stomach. Chemical Digestion. The complex molecules of carbohydrates, proteins, and fats are transformed by chemical digestion into smaller molecules that can be absorbed and utilized by the cells. WebChemical digestion involves the breakdown of complex molecules into simpler compounds through enzymes, while mechanical digestion involves the physical breakdown of food by muscular contractions in the digestive tract. Without both processes, proper digestion cannot occur and the body cannot get the energy and nutrients it needs to function.

The structure of the digestive system - Nutrition, digestion and ...

WebApr 28, 2016 · Mechanical digestion is the physical act of breaking down the food by non-chemical means. Mechanical digestion begins in the mouth by the physical act of mastication (chewing). The specialized teeth break down the food as it is cut by the incisors, torn by the cuspids and ground by the molars. The food is manipulated in the mouth by … WebMouth process. Teeth grind and tear food (mechanical digestion). Saliva moistens food and digests starches into sugar (chemical digestion). Stomach process. Acid & muscle … golf genius software registration

Digestive System Processes Boundless Biology Course Hero

WebChemical digestion: the process of enzymes breaking down food into small molecules the body can use. Lipase: enzymes in the pancreatic juices that break down lipids. … WebThe much larger glands of the fundus and body of the stomach, the site of most chemical digestion, produce most of the gastric secretions. These glands are made up of a … golf genius software inc