Motor Unit & Action Potential

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Across
  1. 4. / Connects the motor neuron cell body with the muscle fibers included in the motor unit
  2. 7. / the flood of positive ions into fiber generates an electrical charges
  3. 9. / a chemical that discharges and diffuses across the synaptic cleft to attach to receptor on the muscle fiber sarcolemma
Down
  1. 1. / a separation for the axon terminal and fibers which is filled with interstitial fluid
  2. 2. / a neurotransmitter that stimulates muscle
  3. 3. / branches out to individual muscle fibers
  4. 5. / a link between each axon terminal and muscle fiber
  5. 6. / a nerve that stimulates skeletal muscle (voluntary)
  6. 8. / made up of a motor neuron and the skeletal muscle fibers innervated by that motor neuron axonal terminals