Cavalier King Charles and King Charles Spaniel. The Cavalier King Charles Spaniel is one of the most popular toy breeds. But there are two distinctly different breeds of King Charles Spaniels developed from the ancient Toy Spaniel.
Peristalsis. a wavelike contraction that propels the contents of tubular organs, for example, the intestine, stomach, and ureters, caudally in animals or in a downward direction in man.Peristalsis is the result of many coordinated contractions of the longitudinal and transverse muscles in the walls of a tubular organ.A single peristaltic wave takes the form of a circular constriction around the lumen that moves along the length of the organ.eristalsis is the result of many coordinated contractions of the longitudinal and transverse muscles in the walls of a tubular organ. A single peristaltic wave takes the form of a circular constriction around the lumen that moves along the length of the organ.
Report Abuse. A) peristalsis the esophagus uses muscle contractions to push and move the food down the esophagus into the stomach if you have ever eaten something hard or swallowed something too large, and you feel the pain and pushing in your chest and throat, that is the esophagus muscles preforming peristalsis.n much of the gastrointestinal tract, smooth muscles contract in sequence to produce a peristaltic wave which forces a ball of food (called a bolus while in the esophagus and gastrointestinal tract and chyme in the stomach) along the gastrointestinal tract.