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12 terms

Chapter 4: The Digestive System

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enzymes
protein catalysts designed to speed up the rate of specific biochemical reactions
digestion
the processing of food that nourishes the individual cells of the body
salivary glands
the glands that produce saliva to the keep the mouth and pharynx moist
oropharynx
a tubular structure that extends vertically from the back of the mouth to the esophagus and trachea
esophagus
a collapsible tube that extends from the pharynx to the stomach; contractions in the wall of the esophagus propel food and liquids through it to the stomach
pancreas
a flat, solid organ that lies below the liver and the stomach; it is a major source of digestive enzymes and produces the hormone insulin.
gall bladder
a sac on the undersurface of the liver that collects vile from the liver and discharges it into the duodenum through the common bile duct
liver
a large solid organ that lies in the RUQ immediately below the diaphragm; it produces bile, stores sugar for immediate use by the body, and produces many substances that help regulate immune response
bile ducts
ducts that convey bile between the liver and the intestine
small intestine
the portion of the digestive tube between the stomach and cecum, consisting of the duodenum, jejunum, and ileum.
large intestine
the portion of the digestive tubing that enciricles the abdomen around the small bowel, consisting of the cecum, the colon, and the rectum. It helps regulate water and eliminate solid waste
rectum
the lowermost end of the colon