NPB 101: Muscle Physiology

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Across
  1. 3. smallest functional muscle unit
  2. 5. oxidative phosphorylation is dependent on ____
  3. 6. connects muscle to bone
  4. 8. type of unstriated muscle
  5. 11. smooth muscle myosin must be ____ in order to interact with actin
  6. 13. the power ____ consists of the bending of the cross-bridge
  7. 14. the Z ___ is where thin filaments attach
  8. 15. each muscle fiber is innervated by ___ motor neuron
  9. 18. makes up thin filaments
  10. 21. intracellular protein that binds to Calcium and regulates smooth muscle contraction
  11. 24. renewal of glycogen and creatine phosphate after intense activity
  12. 25. fast-oxidative fiber has ___ myosin-ATPase activity
  13. 26. summation that involves the increase in muscle tension and repetitive stimulation
Down
  1. 1. makes up thick filaments
  2. 2. smooth, sustained muscle contraction
  3. 4. oxygen rich muscle fibers are ____ in color
  4. 6. protein pairs that lie alongside the groove formed by actin helix
  5. 7. a single skeletal muscle cell is known as a muscle...
  6. 9. proteins that regulate Calcium permeability changes
  7. 10. when an exercising muscle cannot maintain the same level of force it is ____
  8. 12. tubules that conduct action potential to sarcoplasmic reticulum
  9. 13. type of voluntary muscle
  10. 16. the cross ____ is where myosin and actin interact
  11. 17. the ___ reticulum transports and stores Calcium
  12. 19. muscle neurons can innervate ___ muscle fibers
  13. 20. protein composed of three subunits
  14. 22. voltage dependent receptor
  15. 23. cylindrically-shaped contractile element