Multiple Choice
There are four basic layers of the digestive tract. Arrange them in order from the lumen (deep to superficial) .
A) submucosa, serosa, muscularis externa, and mucosa
B) mucosa, submucosa, muscularis externa, and serosa
C) muscularis externa, serosa, mucosa, and submucosa
D) serosa, mucosa, submucosa, and muscularis externa
Correct Answer:

Verified
Correct Answer:
Verified
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