lesson 3 - muscle part 1

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Across
  1. 1. the entire muscle is covered in this connective tissue
  2. 4. skeletal and cardiac muscle are described as this
  3. 5. protein responsible for giving muscle its reddish color
  4. 6. the sarcoplasmic reticulum stores this element
  5. 9. the Z lines form the boundaries of one of these
  6. 10. the thin filaments are troponin, tropomyosin and this
  7. 11. calcium that is released binds to this thin filament
Down
  1. 2. this is called the "thick filament"
  2. 3. this is the cytoplasm of a muscle fiber
  3. 7. smooth muscles is controlled by the ? nervous system
  4. 8. the process of regenerated ATP is called cellular ?