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.
Peristalsis is also involved in the mixing of the food with the digestive juices and in breaking it down from lumps into a thick paste which is then squeezed through the body. This increases the surface area of food available to the digestive enzymes.hysical digestion. Part of the digestive process which breaks down the food you eat into the small, soluble molecules you need is physical. This involves breaking the food down into smaller pieces which are easier to move along your digestive tract.