Which is a physiological description rather than an anatomical one?

?A.  The muscles of the intestinal wall contract slowly and involuntarily.?
B.  The walls of blood capillaries are composed of a thin epithelium.?
C.  The muscles of the thigh are composed of skeletal muscle tissue.
?D.  There are fenestrations (openings) in the epithelial cells of capillary walls.?E.  The esophageal wall includes a middle layer of dense irregular connective tissue.


A

Anatomy & Physiology

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