Muscular System

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Across
  1. 5. Junction Where a nerve and muscle fiber come together
  2. 6. Vesicles Where neurotransmitters are stored
  3. 9. Muscles become small and weak due to disease
  4. 10. Fatigue Muscle loses ability to contract
  5. 13. The smaller fibers in a muscle cell
  6. 14. The neurotransmitters that cross the synaptic Gap and cause muscle contractions
  7. 15. Make our heart beat
  8. 17. Enzyme that breaks down ACH
  9. 19. Enlargement of a muscle
  10. 20. Is not under conscious control
  11. 21. Cramp A sustained involuntary contraction
Down
  1. 1. Under conscious control
  2. 2. End Plate Folded area of the carcolemma
  3. 3. Fascicles are surrounded by a membrane called this
  4. 4. response Fibers do not partially contract, they either do or don't
  5. 6. Muscle Contains actin and myosin
  6. 7. Muscle Main tissues of the walls of the heart
  7. 8. Fiber A single muscle cell is called this
  8. 11. Unit The muscle fiber and motor neuron
  9. 12. Stimulus The minimal amount of stimulus required to cause a contraction
  10. 16. Gap between the neuron and motor end plate
  11. 18. Muscle Found in walls of hollow organs