Multiple Choice
Which feature characterizes the submucosa layer of the vertebrate gut?
A) Contains epithelial cells that secrete mucus
B) Consists of epithelial cells underlain by connective tissue
C) Includes two layers of smooth muscle responsible for gut movement
D) Has a network of nerves
E) Contains epithelial cells that secrete digestive enzymes and hormones
Correct Answer:

Verified
Correct Answer:
Verified
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