A cross section of the digestive tube reveals four major tissue layers: (from the innermost layer outward)the mucosa,the __________,the muscularis externa,and the __________.
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Q69: All three types of pancreatic digestive enzymes
Q70: The parietal (or oxyntic)cells secrete _ and
Q71: Gastric mixing takes place in the _
Q72: Swallowing is initiated when a(n)_ is voluntarily
Q73: Saliva is about 99.5% _ and 0.5%
Q75: Gastric emptying is largely controlled by factors
Q76: The cells that secrete gastric juice are
Q77: The exocrine pancreas secretes a pancreatic juice
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