Kaden Farley - Muscle Crossword Puzzle Review

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Across
  1. 1. What is the immovable end of the muscle?
  2. 3. The excessive stretching and possible tearing of a muscle or tendon.
  3. 5. The thick filament of a sarcomere.
  4. 7. Results in a muscle contracting and not relaxing.
  5. 8. What are fibers organized into bundles in skeletal muscle called?
  6. 10. This means that the cells have an electrical impulse that causes them to react.
  7. 12. What is the movable end of the muscle?
  8. 14. The neurotransmitter that crosses the synaptic gap and causes muscle contraction.
  9. 16. What is the boundary between sarcomeres?
  10. 17. What is the membrane that surrounds each muscle?
  11. 19. The minimal amount of stimulus required to cause a contraction.
Down
  1. 2. When more and more fibers contract as the intensity of the stimulus is increased.
  2. 3. The gap between the neuron and motor end plate.
  3. 4. ______ cells contain a lot of mitochondria.
  4. 6. Muscle that is voluntary.
  5. 9. Muscle that is not striated.
  6. 11. A progressive neurodegenerative disease affecting motor neurons in the spinal cord.
  7. 13. What is the plasma membrane of muscle cells called?
  8. 15. The enlargement of a muscle.
  9. 18. The energy source of muscle contractions.