Action Potential Crossword

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Across
  1. 2. oval nuclei that can be seen beneath the plasma membrane
  2. 4. muscle fiber’s cytoplasm
  3. 5. that stimulates skeletal muscle cells.
  4. 6. junctions with the sarcolemma of a different muscle.
  5. 8. an “upset” that generates an electrical current.
Down
  1. 1. main intracellular calcium storage in striated muscle
  2. 3. released when sarcoplasmic reticulum becomes permeable
  3. 7. supports a cell to generate an action potential
  4. 9. a working unit for the nervous system