muscle fiber crossword puzzle

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Across
  1. 1. respiration with oxygen
  2. 4. muscle for involuntary movement
  3. 5. makes energy for the cell
  4. 7. Energy made in the mitochondria
  5. 9. fast muscle contractions and uses aerobic respiration
  6. 10. respiration without oxygen
  7. 13. muscle for voluntary movement
  8. 14. structural proteins are added to muscle fibers
  9. 15. formation of capillary networks to supply oxygen and remove waste
Down
  1. 2. muscle fiber contract slowly
  2. 3. anaerobic respiration
  3. 6. product of anaerobic respiration and can build up in muscles
  4. 8. decrease in muscle mass
  5. 11. muscle that pumps the heart
  6. 12. muscle atrophy related to age