Muscle physiology

Edit Answers
1234567891011121314151617181920212223242526272829303132333435
Across
  1. 1. Adding together of twitches that occur when a muscle is stimulated at high frequency
  2. 4. muscle, Type of muscle found in internal organs
  3. 6. Lengthening muscle contraction
  4. 9. Plasma membrane of muscle fibres
  5. 13. Region of sarcomere composed of thick filaments
  6. 14. Region of sarcomere with no overlapping filaments
  7. 15. Mechanism that drives muscle contraction (2 words)
  8. 18. Bundles of muscle fibres
  9. 21. period, Time between a stimulus and a reponse (2 words)
  10. 22. Type of filaments composed of myosin
  11. 24. Found in thin filaments in muscle fibres
  12. 25. Twitch during which a muscle shortens and lifts a constant load
  13. 28. Process of muscle contraction whereby thick and thin filaments move past each other (2 words)
  14. 29. muscle, Type of muscle that is connected to bone (2 words)
  15. 31. unit, A motor neuron and all of the fibres it innervates (2 words)
  16. 32. Type of filaments composed of actin
  17. 33. Part of thick filaments responsible for producing motion that causes muscle contraction
  18. 34. Rodlike elements that contain a muscle's contractile machinery
  19. 35. Protein that binds calcium and initiate the crossbridge cycle
Down
  1. 2. Muscle contraction with no change in length
  2. 3. Found in thin filaments in muscle fibres
  3. 5. principle, The relationship between the size of motor units and the order of recruitment (2 words)
  4. 7. Protein that blocks myosin-binding sites on thin filaments
  5. 8. Region of sarcomere composed of thin filaments
  6. 9. oxidative, Type of muscle cells that are used in endurance exercise (2 words)
  7. 10. tubule, Structure that transmits action potentials from the sarcolemma into the cell's interior (2 words)
  8. 11. An increase in the number of active neurons
  9. 12. Basic repeating units that make up myofibrils
  10. 15. Shortening muscle contraction
  11. 16. Immediate high-energy molecule in muscle (2 words)
  12. 17. Decrease in muscle's ability to produce force
  13. 19. Type of muscle fibre with high myoglobin content (2 words)
  14. 20. Mechanical response of a muscle to a single action potential
  15. 23. Type of muscle fibre with high myosin ATPase activity (2 words)
  16. 26. reticulum, Organelle in muscle fibres that stores calcium (2 words)
  17. 27. A plateau phase of muscle contraction
  18. 30. An oxygen-binding protein found in some muscle fibres