The tongue
a. secretes saliva
b. plays a major role in swallowing
c. contains a lot of connective and lymphatic tissues
d. is attached to the hard palate
e. functions in deglutition apnea

Which of the following represents a mismatch in stomach wall structure?
a. muscularis – two layers; both circular
b. rugae – folds of mucosa and submucosa
c. mucosa – gastric glands
d. gastric pits – open onto surface of stomach mucosa
e. lining – simple columnar epithelium

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