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What neurotransmitter is needed to initiate a muscle contraction.
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What neurotransmitter is needed to initiate a muscle contraction.

User Surfer
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1 Answer

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Answer:

Acetylcholine

Step-by-step explanation:

Acetylcholine binds to receptors on the outside of the muscle fiber. That starts a chemical reaction within the muscle.

User TerenceJackson
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