Peristalsis
a. is an involuntary smooth muscle response
to swallowing.
b. is a voluntary smooth muscle response to
swallowing.
c. is controlled by muscles surrounding the
trachea.
d. occurs when food enters the airway instead
of the esophagus.
e. is both b and c.
A
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Describe the nature and function of connective tissues.
What will be an ideal response?