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m_a_m_a [10]
3 years ago
11

When (blank) is released from a (blank) neuron and binds with receptors on the motor endplate, the muscle begins to (blank)

Biology
1 answer:
777dan777 [17]3 years ago
6 0

Answer:

Explanation:

I think it is: acetylcholine (neurotransmitter) - motor neuron - contract

second question: diffusion because of opening of ca2+ channels

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