Anatomy Chapter 7 Vocabulary

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Across
  1. 2. Contraction – “Tension rises, length stays same”
  2. 6. Unit – “Neuron plus all its muscle fibers”
  3. 9. – “Muscle attachment on movable bone”
  4. 10. – “Glucose broken down for quick ATP”
  5. 12. – “Actin and myosin protein strands”
  6. 15. Acid – “Fatigue-causing anaerobic byproduct”
  7. 17. Reticulum – “Calcium-storing muscle organelle”
  8. 19. Mover – “Main muscle creating action”
Down
  1. 1. – “Helper muscle aiding movement”
  2. 3. – “Cord connecting muscle to bone”
  3. 4. – “Myosin heads grabbing actin”
  4. 5. Tubules – “Channels carrying signals deep into fiber”
  5. 7. Junction – “Where nerve meets muscle fiber”
  6. 8. – “Muscle attachment on fixed bone”
  7. 11. – “Oxygen-storing muscle pigment”
  8. 13. – “Z-line to Z-line contractile unit”
  9. 14. Contraction – “Muscle shortens while moving load”
  10. 16. maximum, smooth sustained contraction
  11. 18. energy without oxygen