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1. Smooth muscles differ from skeletal and cardiac muscles in that they ________.
 
 
 
 

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2. Which of the following statements describes smooth muscle cells?
 
 
 
 

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3. Critical Thinking: Why can smooth muscles contract over a wider range of resting lengths than skeletal and cardiac muscle?

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4. Critical Thinking: Describe the differences between single-unit smooth muscle and multiunit smooth muscle.

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