Contraction of the ________ alters the shape of the intestinal lumen and moves epithelial pleats and folds.
A) mucosa
B) submucosa
C) submucosal neural plexus
D) muscularis mucosa
E) adventitia
Question 2
Shaking your head no will stimulate the hair cells of the
A) anterior semicircular duct.
B) lateral semicircular duct.
C) posterior semicircular duct.
D) utricle.
E) saccule.