Chapter 9 Reading Quiz Review

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Across
  1. 2. a neurotrasmitter
  2. 4. striated and involuntary
  3. 7. muscle attachmentment at movable bone
  4. 9. nonstriated and involuntary
  5. 12. glucose is broken down to lactic acid when oxygen is not present
  6. 14. reduction of negative membrane potential
  7. 15. connective tissue surrounding whole muscle
  8. 17. striated and voluntary
  9. 19. extension of sarcolemma that conducts nerve impulses in muscle cells
  10. 20. bundle of muscle cells
  11. 21. cell membrane of a muscle cell
  12. 23. actin and myosin
Down
  1. 1. connective tissue sheath around each muscle fiber
  2. 2. glucose is broken down using oxygen to make ATP
  3. 3. thick filament
  4. 5. rodlike contractile element
  5. 6. space between axon terminal and the muscle fiber
  6. 8. basic contractile unti (composed of myofilaments)
  7. 10. oxygen-binding protein in muscle cells
  8. 11. smooth ER that regulates levels of Calcium ions in muscle cells
  9. 13. electrical current through a membrane
  10. 16. glucose is broken down into pyruvic acid
  11. 18. muscle cell
  12. 22. thin filament