Muscle

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Across
  1. 2. ion stored in sarcoplasmic reticulum
  2. 4. attachment tissue between bones
  3. 8. part of the thick filament
  4. 9. voluntary muscle class
  5. 10. muscle for bending the arm
  6. 11. attachment tissue between muscle and bone
  7. 12. bands or stripes
  8. 14. action between myosin and actin
  9. 15. muscle for extending the arm
Down
  1. 1. muscle for extending the leg
  2. 3. part of the thin filament
  3. 5. oxygen-storing molecule
  4. 6. attachment between cardiac muscle cells
  5. 7. muscle over the shoulder
  6. 8. energy producing cell organelle
  7. 9. involuntary muscle class
  8. 13. energy sources for muscle contraction
  9. 16. heart-related muscle class