There Are Four Basic Layers of the Digestive Tract

question 386

Multiple Choice

There are four basic layers of the digestive tract. Arrange them in order from the lumen (deep to superficial) .

• A) serosa, mucosa, submucosa, and muscularis externa
• B) muscularis externa, serosa, mucosa, and submucosa
• C) mucosa, submucosa, muscularis externa, and serosa
• D) submucosa, serosa, muscularis externa, and mucosa

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