Which type of smooth muscle is found in the iris of the eye?
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Correct answer: Multiunit smooth muscle
Multiunit smooth muscle consists of individual fibers acting independently. It allows fine control, such as pupil diameter regulation.
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More Smooth and Cardiac Muscle Physiology questions
- In cardiac muscle, calcium that triggers contraction is primarily released from the:
- Which feature is common to both smooth and cardiac muscle?
- Which ion channel is responsible for spontaneous depolarization in cardiac pacemaker cells?
- Smooth muscle contraction can be initiated by all EXCEPT:
- Which factor primarily determines the strength of cardiac muscle contraction?
- Compared to skeletal muscle, smooth muscle contracts: