alenisabear
alenisabear alenisabear
  • 04-04-2016
  • Health
contestada

Posture ___ is maintained as a result of muscle contraction
a. such as singing and painting
b. such as sitting and standing
c. such as jumping and skipping
d. all of the above

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Katie20011
Katie20011 Katie20011
  • 05-04-2016
the correct answer is D
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