Points on the esophagus in the digestive system.
Date Submitted: 11/25/2003 14:25:02
Category: / Society & Culture / People
Length: 1 pages (376 words)
Category: / Society & Culture / People
Length: 1 pages (376 words)
-The esophagus is in the digestive system.
-The esophagus is a muscular tube which carries food and liquids from the throat to the stomach for digestion after it has been chewed and softened in the mouth.
-It is about 25 cm long and 2.5 cm across.
-Food is forced downward to the stomach by powerful wave like muscle contractions passing through the walls of the esophagus.
-The contractions are so strong in the throat and the esophagus, …
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…it.
-When people burp to release swallowed air or gas from pop, the sphincters relax and small amounts of food or drink may come back up for a short time; this condition is called reflux.
-These rings close or contract after the food passes through and enters the stomach.
-If the bottom muscle weakens, stomach contents, along with the stomach acid, may return to the esophagus and cause an uncomfortable, burning sensation known as "heartburn".
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