Large motor unit and small motor unit

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Every skeletal muscle fiber is supplied by a motor neuron at the NMJ.

1. What is the definition of a motor unit?

2. What is the structural and functional difference between a large motor unit and a small motor unit?

3. Can you give an example of each?

4. Why is the neurotransmitter acetylcholine degraded after binding to its receptor?

Reference no: EM133369355

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