Muscle physiology terminology

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