PHYSIOLOGY
MUSCLE CONTRACTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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neurotransmitter
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motor unit
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acetylcholine
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sarcomere
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fibrillation
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Explanation:
Detailed explanation-1: -Acetylcholine in the brain alters neuronal excitability, influences synaptic transmission, induces synaptic plasticity and coordinates the firing of groups of neurons.
Detailed explanation-2: -Specifically, without acetylcholine, muscles cannot contract. Symptoms of myasthenia gravis can range from mild to severe. They may include: weakness in the arms, legs, hands, fingers, or neck.
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