Continue with the alimentary canal, from the pharynx to the stomach to the small intestine.
Discuss peristalsis and the pyloric sphincter valve which closes off the stomach.
Examine the structure of the stomach's muscular wall, with muscles running circular, longitudinal and oblique. This aids in mechanical digestion.
Outline the chemical makeup of gastric fluid, and which type of cells in the stomach lining produce the enzyme, the acid, and the mucus.
Define chyme and indicate that the chyme will move into the small intestines when it reaches a certain consistency. Briefly indicate the importance of the duodenum in the system