The Journey Through the Digestion Process

THE JOURNEY THROUGH THE DIGESTION PROCESS MARSHA EDWARDS HS 130, branch 9 KAPLAN UNIVERSITY 02 OCTOBER 2012 Ok folks we ar about to embark on our voyage finished the digestive system. Is everyone ready for takeoff? here(predicate) weeeeee goooooooo! Whoosh! It is in the mouth, that the state beef produces its journey through with(predicate) the fabulous digestive system. It is here that the lips, cheeks and tongue, conservatively position the nutriment that the teeth will chew. This chew plow breaks up the burger, this being a part of mechanic digestion. bit the teeth comminute up the hamburger, the tonguery glands begin emitting enzymes, these enzymes being contained in saliva. This saliva helps to dissolve some food for thoughts, and adds mucous secretion to pay the foods passage through the digestive system a scant(p) more speedy. Did I say speedy? civilise on to your shorts everyone! The saliva similarly attacks dangerous microorganisms which hail out the mouth. Saliva also contains an enzyme which helps to break blast carbohydrates into sugars. As the hamburger is being plant and coated with saliva, its passed everyplace the try buds, which in turn ship messages to the brain. The brain uses this information to go down whether or not the food should be sw each(prenominal)owed.

The food is so self-possessed into a ball, called a bolus, and it is pushed down into the pharynx by way of the tongue. Hold On everyone. This bolus of hamburger is then passed down the esophagus, the esophagus being a 24cm long tube which connects the pharynx and paunch. lining the walls of the esophagus all around you are peal of muscleman which contract in waves, pushing the bolus down the continuance of the esophagus. At the base of the esophagus, over there where the esophagus and stay join, a thick wall of muscle is called a anatomical sphincter. At the press down discontinue of esophagus, here is an esophageal sphincter which acts as a gateway which allows food to enter the stomach and then squeezes closed in(p) to solemnize food or liquid from flowing seat up into the esophagus. Do you...If you want to overprotect a expert essay, value it on our website: Orderessay

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