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Unitek Digestive system Quizwith 100- correct answers
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Unitek Digestive system Quizwith 100- correct answers
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Unitek Digestive systemQuizwith 100% correct answers
accessory organs of the digestive system
salivary glands, teeth, pancreas, liver, gallbladder
Difference between Alimentary canal and accessory organ
Alimentary canal organs are directly connected to the GI tract where
active digestion of food and absorption of nutrients take place. Accessory
organs aid in digestion and are responsible for chemical digestion by
secreting enzymes
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esophageal hiatus
The opening in the diaphragm through which the esophagus passes from
the thoracic to abdominal cavity
The two esophageal sphincters are
The pharyngoesophageal sphincter located at the top of the esophagus,
and the gastroesophageal, or lower esophageal sphincter (LES), located at
the base of the esophagus
Amylase
enzyme that breaks down carbohydrates; salivary amylase and pancreatic
amylase.
salivary amylase
enzyme that begins starch digestion in the mouth
pancreatic amylase
An enzyme secreted by the pancreas into the small intestine that digests
any remaining starch
hydrocloric acid (HCl)
, Secreted by the parietal cells. Parietal cells are 1 of 3 secretory cells in
the exocrine glands (mucous cells, chief cells, parietal cells). Helps break
down, digest, and absorb nutrients
borborygmus
the rumbling noise caused by the movement of gas in the intestine
parts of the small intestine
duodenum, jejunum, ileum
parts of large intestine
cecum, colon, rectum
pyloric sphincter
Controls passage of food from stomach to small intestine
rugae
the folds in the mucosa lining the stomach
Fig 23.1
degultition
the act of swallowing
how swallowing works
The act of swallowing normally directs food from the pharynx into the
esophagus a long tube that empties into the stomach. During swallowing
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