Muscular System

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273
Across
  1. 1. long ribbonlike organelles that fill the cytoplasm
  2. 3. mover muscles that initiate the source of movement during physical action
  3. 6. contractil protein found in the skeletal muscle with the myosin
  4. 7. no relaxation at all between stimuli, but rather a smooth sustained contraction
  5. 10. form of respiration using electron acceptors other than oxygen
  6. 13. endogenous chemicals that enable neurotransmission
  7. 14. contraction in which the muscle fires but there is no movement at a joint
  8. 15. flexion movement that decreases the angle between the sole of the foot and the back of the leg
  9. 17. specialized type of smooth ER that regulates the calcium concentration in the cytoplasm of striated muscle cells
  10. 20. attachment site of the muscle, does not move during contraction
  11. 22. process of producing cellular energy involving oxygen
  12. 23. tiny opening between neurons
  13. 24. filaments of myofibril, constructed from proteins, principally myosin or actin
  14. 26. distal terminations of the branches of an axon
  15. 27. midline interruption, darker area called Z disc, striation of myofibril
  16. 28. use of creating phosphate with adp to create creatine and atp.
  17. 30. motor neuron and skeletal muscle fibers innervated by that motor neuron's axonal terminals
  18. 32. motion that pulls a structure or a part towards the midline of a limb
  19. 33. sheetlike, formed by epimysia,that attach muscles to bones
  20. 37. motion that pulls a structure or a part away from the midline of the body
  21. 38. 4 of them, illustrate how the filaments slide
  22. 41. complex of 3 regulatory proteins that is integral to the muscle contraction in the skeletal and cardiac muscle
  23. 42. when the globular head of a myosin molecule is attached to an actin filament
  24. 43. are present in the skeletal and cardiac muscle
  25. 44. occurs when a muscle contracts with different degrees of force based on certain circumstances
  26. 48. posphorylated creatine molecule that serves as a rapidly mobilizable reserve of high energy phosphates in skeletal muscle and brain
  27. 49. muscle cells of smooth and skeletal muscle
  28. 52. attachment site of muscle that move during contraction
  29. 58. activities that increase your breathing and heart rate such as walking, jogging
  30. 59. perfor, or help perform, the same set of joint motion as the agonists
  31. 60. lighter central area found in the A band
  32. 61. decline in ability of a muscle to generate force. Result of a vigorous exercise
  33. 62. coarser fibrous membrane that enclose several sheathed muscle fibers
  34. 65. lighter central area called H zone, striation of myofibril
  35. 66. tough overcoat of connective tissue that bound together many fascicles and covers the entire muscle
  36. 69. muscles with the same origin or insertion
  37. 70. bundle of fibers formed by perimysium
  38. 71. muscles that oppose the primer mover by slowing it down
  39. 72. two-stranded alpha-helical coiled coil protein found in cytoskeletons
  40. 73. movement that tilt the sole of the foot towards the midline of the body
Down
  1. 2. contraction in which tension remains unchanged and themuscle's lenght changes
  2. 4. Contractil protein found in the skeletal muscle with the actin
  3. 5. caused when different ions cross the neuron membrane
  4. 8. organic chemical that functions in the brain and body as neurotransmitter
  5. 9. chemical synapse formed by the contact between a motor neuron and a muscle fiber
  6. 11. movement that involves grasping of the thumb and fingers
  7. 12. produced by muscle tissue during exercise,when oxygen supply is limited and cause pain
  8. 16. muscle that has a fleshy belly,tapering at either extremity
  9. 18. Center of H zone, contains tiny proteins rods that hold adjacent thick filaments together
  10. 19. any muscle having the long fibers arranged parallel to each other
  11. 21. same relaxation between the stimuli
  12. 25. movement that decreases the angle between two body parts
  13. 29. strenght training in which the joint angle and muscle lenght do not change during contraction
  14. 31. occurs when the forearm/palm are rotated outwards. Sole of the foot rotated inwards
  15. 34. tendon ruins through the lenght of the muscle
  16. 35. basic unit of striated muscle tissue
  17. 36. continuous and passive partial contraction of the muscles, or the muscle's resistance to passive stretch during resting state
  18. 39. no striations, involuntary, walls of hollow visceral organs; spindle-shaped cells, single nucleus
  19. 40. found only in the heart,involuntary, striated, single nucleus
  20. 45. movement that tilt the sole of the foot away from the midline of the body
  21. 46. darker area found in the I band
  22. 47. strong, cordlike, formed by epimysia that attach muscles to bones
  23. 50. straightening movement that increases the angle between body parts
  24. 51. delicate connective tissue sheath that enclose muscle's fibers
  25. 53. waste away, result of degeneration of cells, or become vestigial during evolution
  26. 54. where the toes are brought closes to the shin. Decreases the angle between the dorsum of the foot and the leg
  27. 55. conical movement of a body part, such as a ball and socket joint or the eye
  28. 56. temporary oxygen shortage in cells resulting from strenuous exercise
  29. 57. muscle layer encircling the body between the epidermis and longitudinal muscle layer
  30. 63. hand/upper arm turned inwards. Sole turned outwards
  31. 64. internal or external, referring to a rotation towards or away from the center of the body
  32. 67. muscle that stabilizes the origin of the agonist and the joint that origin spans to help the agonist's function
  33. 68. soft and hanging loosely or limply
  34. 71. long, slender projection of a neuron, that conducts electrical impulses away