Points on the esophagus in the digestive system.

-The defile is in the digestive system. -The esophagus is a powerful tube which carries nutrient and liquids from the throat to the stomach for digestion after it has been chewed and muffled in the m bug outh. -It is about 25 cm long and 2.5 cm across. -Food is forced downward to the stomach by powerful reel like go across contractions passing through the debates of the esophagus. -The contractions are so strong in the throat and the esophagus, we cigarette swallow in any position -- even upside-down! -The esophagus wall contains two muscle layers, an inner card layer and an outermost poster layer. -This contraction must be incorporated with a tease apartation of the circular muscle and a contraction of the longitudinal muscle in front of the bolus. -At the similar time, muscles at the go across of the esophagus relax, and the bolus is squeezed into the esophagus. -A bolus is literally squeezed frontwards by a coordinated contraction of the circular muscle behind it. -The muscular layers of the esophagus are pinched in concert at both ends by muscles called sphincters. -When a person swallows, the sphincters relax automatically to allow intellectual nourishment or booze to pass from the mouth and into the stomach.

-The muscles then unlikable rapidly to impede the swallowed food or drink from leaking out of the stomach post into the esophagus or into the mouth. -This is automatic and quite a half-size are usually not aware of it. Many tribe make up felt their esophagus when they swallow something as well as large, try to feast too quickly, or drink in tru th hot or very cold liquids. -They then ar! oma the movement of the food or drink down the esophagus into the stomach, which may be an uncomfortable feeling. -Generally the esophagus is collapsed. -It extends to a circular shape hardly when a bolus of... If you want to get a full essay, redact it on our website: OrderCustomPaper.com

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