CONTRACTION OF A SKELETAL MUSCLE AS A WHOLE

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Across
  1. 2. The flood of _______ acts as the final trigger for contraction.
  2. 4. Muscle contractions can range from slight to _______ depending on the work to be done.
  3. 8. Duration of energy provision is 40 seconds or slightly more.This pathways is called?
  4. 10. If we exercise, our muscles strenously for a long time and muscle _______ occurs.
  5. 14. Aerobic respiration occurs in the _______ and involves a series of metabolic pathways that use oxygen.
  6. 17. The unique high-energy molecule _______ phosphase is found in muscle fibers but not other cell types.
  7. 18. _______ impulses are delivered to the muscle at a very rapid rate.
  8. 19. Aerobic exercise benefits much more than the _______ muscles.
  9. 20. Anaerobic glycolysis and _______ asid formation is also pathways to regenerate ATP.
  10. 22. Muscle ________ will contract to its fullest extent when it is stimulated adequately.
  11. 23. When only a few cells are _______, the muscles as a whole contractions only slightly.
  12. 25. Graded muscles contraction can be produce by changing the _______ of muscles stimulation and by changing the number of muscle fiber.
  13. 26. In _______ contractions, the myofilament are successful in their sliding movements, the muscle shortens and movement occurs.
  14. 29. ATP provides the _______ needed to release and recock each myosin head.
  15. 30. During aerobic respirations _______ is broken down completely to carbon diotide and water.
Down
  1. 1. ________ attachment to actin causes the myosin heads to snap toward the center of the sarcomere.
  2. 3. Myosin and _______ are the types of myofilament.
  3. 5. The muscle exhibits unsured tetanus or _______ tetanus.
  4. 6. In a relaxed muscle fiber, the regulatory proteins forming part of the actin _______ prevent myosin binding.
  5. 7. Although muscle twitches sometimes result from certain _______ system problems.
  6. 9. _______ exercise such as participating in an aerobic class,result in stranger,more flexible muscle with greater resistance to fatigue.
  7. 11. The thin filaments are slightly pulled _______ the center of the sarcomere.
  8. 12. The whole muscle reacts to stimuli with ________ responses.
  9. 13. ____--- sarcomere and fully contrated sarcomere are types of sarcomere.
  10. 15. Graded muscles _______ can be produce two ways.
  11. 16. Oxygen use is required.What this pathways to regenerate ATP?
  12. 21. The initial steps of glucose breakdown occurs via a pathway called _______.
  13. 24. The proteins undergo the change in both their _______ and their position on the thin filaments.
  14. 27. _______ produces stranger muscle contractions.
  15. 28. The major factor is the _______ deficit that occurs during prolonged muscle activity.