bolus is a(n) :
A) sphincter muscle separating the stomach from the small intestine.
B) portion of food swallowed at one time.
C) enzyme that hydrolyzes starch.
D) portion of partially digested food expelled by the stomach into the duodenum.
Correct Answer:
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Q9: Saliva protects tooth surfaces and the linings
Q14: organs that secrete digestive juices into the
Q16: Digestion is completed in the large intestine.
Q16: stomach empties into the:
A)ileum.
B)cecum.
C)jejunum.
D)duodenum.
Q18: movement of chyme from the stomach into
Q20: A nutrient or other substance must pass
Q21: After the pancreatic juices have mixed with
Q22: liver:
A)reabsorbs water and salts.
B)secretes bile.
C)churns food to
Q23: normal pH of the stomach is:
A)very acidic.
B)slightly
Q24: "Peristalsis" is a term that refers to
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