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supernumerary supernumerary
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6 years ago
Muscle fatigue is a result of
  1.accumulation of lactic acid.
  2.exhaustion of available ATP.
  3.reduction in lactic acid.
  4.failure of calcium channels to open after prolonged use.
  5.inactivity of muscles for prolonged periods of time.

Question 2

Four of the following can cause birth defects. Which one is the exception?
  a. tobacco
  b. alcohol
  c. poor nutrition
  d. rubella
  e. folic acid
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rtstudentrtstudent
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6 years ago
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supernumerary Author
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#2
6 years ago
Brilliant
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