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digestive system

Ilsy Rodriguez, Anna Giblin, Diler Haji, James Innacell

Ilsy Rodriguez

on 16 November 2012

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Transcript of digestive system

Ilsy Rodriguez
Anna Giblin
Diler Haji
James Innacell By: Entering the
Oral Cavity... What is the oral cavity
and what does it contain ? When you want to eat, the food enters your oral cavity. Making the oral cavity (A fancy name for the mouth) the first part of the digestive tract. It contains the teeth, lips, tongue, and secretions from the salivary glands. This is what
it looks like.. Food went down the
wrong tube and into
the windpipe? That is what the epiglottis is supposed to prevent! The epiglottis is a flap of muscle that prevents the bolus(or food) and liquids from entering your lungs or windpipe. What is peristaltic movement? Peristaltic movement refers to the constriction and relaxation of muscles in the esophagus, stomach and intestines that occur in wavelike contractions. How does it function in the esophagus ? Peristaltic movement in the esophagus occurs when food is eaten. The first wavelike contraction moves the food down to the stomach and the second wavelike contraction moves the remaining pieces of food. What mechanical and chemical digestion occurs in the stomach? Mechanical digestion occurs in the stomach it churns the food with muscle contractions in order to mix it with gastric acid, break it down, and move it into the small intestine. Chemical digestion occurs in the stomach when it releases enzymes and gastric juice to break down food into chyme and kill bacteria. The Digestive system .... Small intestine to the Large Intestine ... What are the three sections of the small intestine and what role does each section play in digestion or absorption?
The Duodenum The three sections are....... The Jejunum And Ileum intestine What is the size and location of the pancreas? The pancreas is in the abdomen, behind the stomach. It is shaped a like a tadpole and is approximately 25cm long. Butter :) Butter is a saturated fat and dissolved by bileacids in the liver. Fun Facts ! Enzymes such as lieplytia enzyme, gastric lipase enzyme deals with the break down of the butter. mechanical process to digest butter are the teeth needed to chew the butter, smooth muscles move it to the stomach and the butter is turned and mixed by the longitudinal circular and muscle in the stomach so the acids can mix with the food. Then enters the small intestine and then the large intestine where the butter fat, sugar is needed in the body the rest is sent to the large intestine as waste. Review :)
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