What digestive function occurs in the esophagus?
A) Begin chemical digestion of proteins
B) Provide saliva to moisten the bolus
C) Transport the bolus from the pharynx to the stomach
D) Help protect the body from disease
Correct Answer:
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Q16: The region between the teeth,lips,and cheeks is
Q17: The oral cavity and its anatomical features
Q18: The external surface of the crown of
Q19: Which of the following is NOT a
Q20: Which of the following is NOT a
Q22: Which layer of the digestive tract wall
Q23: Which gastric gland cell type secretes HCl?
A)Chief
B)Mucus
C)Parietal
D)Enteroendocrine
Q24: Gastric glands
A)line the esophagus.
B)secrete juice containing HCl.
C)secrete
Q25: Carbohydrates are first chemically digested in the
A)stomach.
B)duodenum.
C)mouth.
D)large
Q26: What prevents acid from backing up into
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