- Smooth muscle can be found in the ____.
walls of the bronchioles and blood vessels
walls of the heart
diaphragm
synovial cavities of joints
All of these structures contain smooth muscle.
2. Smooth muscle cells _____.
each have a single neuromuscular junction where all of their receptors for neurotransmitter are located
have receptors for neurotransmitters widely distributed over their entire membranes
only respond to the neurotransmitter acetylcholine
3. An advantage of smooth muscle over skeletal muscle is that smooth muscle ____.
can develop force more rapidly than skeletal muscle
can shorten more rapidly than skeletal muscle
requires less energy to maintain a contraction than skeletal muscle
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