Cells that are rapidly undergoing mitosis constantly repair and renew the lining of the pharynx and the esophagus, which is particularly vulnerable to abrasion associated with swallowing. which of the following terms best describes this lining?
serosa
muscularis externa
submucosa
mucosa

mucosa

Explanation:

The pharynx and esophagus possesss all of the basic histological layers of the gastrtointestinal tract (GI tract). The layers are:

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