The correct order of the digestive tube layers, from lumen outward, is:

(1) mucosa
(2) muscularis externa
(3) serosa
(4) submucosa

A) 1, 4, 3, 2
B) 4, 1, 2, 3
C) 4, 2, 3, 1
D) 1, 4, 2, 3
E) 3, 1, 2, 4


D) 1, 4, 2, 3

Anatomy & Physiology

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