Verana E. Berrong, History of Tarrant County: From Its Beginnings until 1875 (M.A. thesis, Texas Christian University, 1938). Janet L. Schmelzer, Where the West Begins: Fort Worth and Tarrant County (Northridge, California: Windsor, 1985).
Page 4: Parasympathetic and sympathetic nerves innervate the GI tract. â¢ Both parasympathetic and sympathetic divisions of the autonomic nervous. system control digestion by contacting the enteric nervous system in the. wall of the digestive tract. â¢ The parasympathetic division typically stimulates digestion while the. sympathetic division typically inhibits it.
Gastrin begins to be secreted by the lower part of the stomach. Hydrochloric acid and pepsin secretion is stimulated in the upper and middle parts of the stomach. Tactile sensation of food in the mouth sends nervous impulses to the medulla oblongata.astrin begins to be secreted by the lower part of the stomach. Hydrochloric acid and pepsin secretion is stimulated in the upper and middle parts of the stomach. Tactile sensation of food in the mouth sends nervous impulses to the medulla oblongata.