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Author Topic: How far down your digestive tract does peristalsis go? Is it past your  (Read 1826 times)

Offline Hiheels

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stomach and all the way down to err, help things out the other end, or does it stop somewhere between and, if so, where?

Offline jacquesdor

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Peristalsis, which is the muscle movement pushing matter through the digestive system, really begins after the duodenum and into the small intestine. Throughout the whole process the matter is altered and moved on - to the liver, kidneys etc. By the time it leaves the small intesitine and into the large intestine it is mostly liquid. Peristalsis is less forceful here and there is tranfer of fluid so that eventually the matter becomes the semi ( or truly) solid fecal matter which is expelled.
So, the short answer is that once begun, after the duodenum, peristalsis continues until waste is expelled from the body.

http://library.thinkquest.org/2935/Natures_Best/Nat_Best_High_Level/Digestive_Net_Pages/Digestive_page.html
« Last Edit: 08 April, 2009, 08:28:25 AM by jacquesdor »

Offline Hiheels

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A full and conclusive answer, JD...may I just add:
There was a young woman called Perkins
Who was terribly fond of gherkins
One day at tea
She ate 43
And pickled her internal workings  ;D

Offline jacquesdor

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luvvit. pity they didn't include that on the site!