Which of the following best describes the muscles that line the digestive tract?
A. striated: tubular; branched; voluntary
B. non-striated; single nucleus; involuntary
C.striated; tubular; multinucleate; involuntary
D.non-striated; tubular; branched; voluntary
Smooth muscle lines the digestive tract, meaning it is not striated. It is involuntary becasue we can not make ourselves digest food, it just happens nautually.