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In this problem, we're asked to analyze the musculature and the innervation of the digestive tract.
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So first we're going to break down the different types of muscle in the body, and then we'll break down the innervation.
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There are two types of muscle in the body, named after how they look under a microscope, smooth muscle and striated muscle.
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Striated means striped.
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And there's two kinds of stripy muscle.
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Cardiac muscle is found in the heart.
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Cardia means heart.
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And skeletal muscle is found in the voluntary muscle.
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That move the bones of your appendicular skeleton.
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So think about your bicep and your tricep that move your arm...