1 As a gas, water takes the form of steam. 2  In steam, molecules move around at high speeds, independently of each other. 3  Because the molecules are not bound to each other, a gas has no fixed shape or fixed volume.
Split and merge into it. Answered by The Community. Making the world better, one answer at a time. the part of the alimentary canal responsible for peristalsis is the oesophagus or the food pipe.by wave like movements of the smooth muscles on the wall of the food pipe the food is sent to the stomach.he four basic tissue layers of the alimentary canal are: Mucosa, Submucosa, Muscularis externa, and the Serosa. From outer to inner: serosa, external muscle layer consisting of  outer circular and inner longitudinal, submucosa and mucous  membrane. 28 people found this useful.
The structure of the human alimentary canal. The alimentary canal is a long hollow tube which runs from the mouth to the anus .Together with several other organs, including the liver and the pancreas, it makes up the digestive system.The total length of the human alimentary canal is between 5 and 6 m, from anus to mouth.ach region of the alimentary canal has it own function and different structure. There are 4 basic layers in the wall of the alimentary canal. Working from the inside these are: a) the mucosa b) the submucosa c) the muscularis externa d) the serosa.