The esophagus is an open,muscular tube that runs from the pharynx to the stomach.
The esophagus is a collapsed muscular tube.
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Q47: Swallowing is totally a voluntary action.
Swallowing begins
Q48: In peristalsis,
A)the entire tube (i.e. ,esophagus)contracts at
Q49: Which digestive secretion is correctly matched to
Q50: The muscularis layer is normally made up
Q51: Which nervous system division controls muscle contraction
Q51: Lacteals
A)are located in villi.
B)are part of the
Q54: What hormone,secreted by enteroendocrine cells,increases stomach churning
Q55: What body system,other than the nervous system,is
Q56: Food usually leaves the stomach in 10
Q57: Vitamins and minerals are digested in the
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