PHYSIOLOGY
MUSCLE CONTRACTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the specific neurotransmitter that stimulates the movement of skeletal muscles?
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GABA
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Acetylcholine
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Serotonin
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Dopamine
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Explanation:
Detailed explanation-1: -Muscle contraction is controlled by receptors in the muscle cell membranes that respond to the neurotransmitter acetylcholine when it is released from motor neurons.
Detailed explanation-2: -In skeletal muscle, the parasympathetic nervous system releases acetylcholine neurotransmitter that leads to depolarization of skeletal muscle by increasing the concentration of sodium ion channels. The parasympathetic nervous system releases Acetylcholine neurotransmitter that acts on the cardiac muscle.
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