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hannah415 hannah415
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6 years ago
A single contraction of all the muscle fibers in a motor unit is known as ____.
  a. a muscle twitch
  b. tetanus
  c. summation
  d. relaxation coupling
  e. isometric contraction

Question 2

Motor units containing only a few hundred muscle fibers are found where?
  a. arm
  b. eye
  c. back
  d. thigh
  e. neck
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walravensericwalravenseric
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hannah415 Author
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6 years ago
Thank you, thank you, thank you!
lierac00
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Yesterday
Just got PERFECT on my quiz
ethom947
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2 hours ago
this is exactly what I needed
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