The following is a list of tissue layers of the digestive tract. What is the correct order from lumen to external surface?

(1) Muscularis externa
(2) Muscularis mucosa
(3) Serosa
(4) Lamina propria
(5) Submucosa

A. 4, 2, 5, 1, 3
B. 3, 4, 5, 2, 1
C. 2, 5, 4, 1, 3
D. 4, 5, 2, 1, 3
E. 4, 2, 1, 5, 3


A. 4, 2, 5, 1, 3

Anatomy & Physiology

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