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pharynx
The alimentary canal is just the tube that goes from the mouth to the anus. The digestive system includes that tube but also all of the physiology that occurs along the tube and the accessory organs actions and products.
It does actually become a body cavity, it becomes the digestive tract; the tube that passes through the body from mouth to anus.
auditory tube
Eustachian tube
Digestive System: You may be wondering that the organs in the digestive system are located in the abdominal cavity. True, but the esophagus, the tube that carries food to the stomach is located in the thoracic cavity. The thymus or thyroid gland is also a part of the organs in the pectoral cavity.Baxamusa, Batul Nafisa . "Organs in the Thoracic Cavity." Buzzle. Buzzle.com, n.d. Web. 4 Oct 2012. .
a standard chest tube is a hollow tube that inserts into the chest's pleural cavity. a trocar is a metal rod that's inside the chest tube, some doctors prefor the trocar for easier insertion through the intercostal muscles.
bronchopleural
The esophagus is only a conducting tube between the pharynx and the stomach and has no digestive function.
tube is underground but rail is on the ground :)
The difference in temperature between a warm tube misfire and a warm tube misfire in hot weather is the temperature that resulted in the hot weather .
Catheterization is the medical term meaning insertion of a tube into a duct or cavity.