The ____ regulates the movement of food into the stomach, and the ____ regulates the passage of food into the small intestine.
A) epiglottis; gastroesophageal sphincter
B) epiglottis; pyloric sphincter
C) gastroesophageal sphincter; epiglottis
D) gastroesophageal sphincter; pyloric sphincter
E) pyloric sphincter; anal sphincter
Correct Answer:
Verified
Q29: The pH of stomach acids is usually
Q30: The _ layer of the mammalian gut
Q31: Anemia can result from a deficiency of
Q32: Individuals with a vitamin _ deficiency may
Q33: The _ cells produce pepsinogen in the
Q35: The digestion of lipids in humans begins
Q36: The digestion of proteins in humans begins
Q37: Most peptic ulcers are caused by _.
A)
Q38: Human saliva contains _ enzymes.
A) aminopeptidase
B) amylase
C)
Q39: The_layer of the digestive tract in mammals
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