What is a key feature of smooth muscle contraction compared to skeletal muscle?Group of answer choicesIt can sustain contractions for longer without fatigue.It requires more frequent stimulation to maintain contraction.It contracts more rapidly.It is under conscious control.
Question
What is a key feature of smooth muscle contraction compared to skeletal muscle?Group of answer choicesIt can sustain contractions for longer without fatigue.It requires more frequent stimulation to maintain contraction.It contracts more rapidly.It is under conscious control.
Solution
A key feature of smooth muscle contraction compared to skeletal muscle is that it can sustain contractions for longer without fatigue. Unlike skeletal muscles, which require frequent rest periods to prevent fatigue, smooth muscles can maintain a state of contraction for extended periods without tiring. This is due to the way smooth muscle cells utilize energy. They have a slower contraction cycle and use energy more efficiently, allowing them to avoid the rapid onset of fatigue that is characteristic of skeletal muscles. This feature is particularly important in organs such as the uterus and the intestines, which need to maintain prolonged contractions.
Similar Questions
Some organs containing smooth muscle are capable of maintaining a constant contraction rhythm. How do they do this?Multiple choice question.They contain pacemaker cells.They respond to rhythmic stimulation by the endocrine system.They have intercalated disks.They contain calmodulin.
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describe the key factors that influence speed, strength and fatigue associated with muscle contraction.
Understand how contraction occurs in non-striated smooth muscle.
isometric contraction, skeletal muscle stays the same length as it contracts.
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