Mechanoreceptors and chemoreceptors are found in the
A. mucosa and submucosa of the GI tract along its length.
B. muscularis interna of the entire length of the GI tract.
C. adventitia of the upper portion of the GI tract.
D. myenteric plexus of the mucosa of the intestine.
E. epithelium of the inferior portion of the GI tract.
Answer: A
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