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Questions and Answers
What is the primary function of smooth muscles in the digestive tract and blood vessels?
What is the primary function of smooth muscles in the digestive tract and blood vessels?
- Supporting the skeletal structure
- Generating heat for the body
- Facilitating voluntary movement
- Aiding in movement and propulsion of substances (correct)
Which type of smooth muscle has individual fibers that can contract independently?
Which type of smooth muscle has individual fibers that can contract independently?
- Cardiac muscle
- Multiunit smooth muscle (correct)
- Unitary smooth muscle
- Skeletal muscle
Where are examples of multiunit smooth muscles found?
Where are examples of multiunit smooth muscles found?
- Ciliary muscles and iris muscles of the eye (correct)
- Biceps and triceps muscles
- Hamstring and quadriceps muscles
- Gastrocnemius and soleus muscles
What do smooth muscles contain that are similar to those in skeletal muscles?
What do smooth muscles contain that are similar to those in skeletal muscles?
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How do unitary smooth muscles contract?
How do unitary smooth muscles contract?
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