In the human digestive system, food enters the mouth and mechanical digestion of the food starts by the action of mastication (chewing), a form of mechanical digestion, and the wetting contact …

Physical and Chemical Digestion Digestion is: the process by which nutrients are broken down into simple molecules that can be absorbed into the bloodstream.

Comparative Digestive Systems Topic 3024.

The Stomach The stomach stores food and performs the preliminary steps of digestion. Before storing food, the stomach secretes gastric juice. This juice mixes with the food. Gastric acid …

What is the main function of the digestive system? A. To provide a mechanism for exchanging oxygen and carbon dioxide between the bloodstream and the environment. B. To facilitate …

Acidic chyme in the duodenum stimulates hormone release into the blood of: Secretin, cholecystokinin, GIP Digestive Anatomy: Overview Figure 21-2a: ANATOMY SUMMARY: The …

Carbohydrate digestion begins in the mouth . Most extensive digestion occurs in the small intestine. The monosaccharides produced are absorbed into the bloodstream and transported …