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Home Q & A Board Biology-Related Homework Help General Biology
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riiiiooottt riiiiooottt
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6 years ago
Most skeletal muscles attach to ____.
 
  a. other tissues
  b. bones
  c. the backbone
  d. a body opening
  e. other muscles

Question 2

When you bring your hand to your shoulder, your biceps muscle ____ and your triceps muscle ____.
 
  a. contracts; relaxes
  b. relaxes; contracts
  c. contracts; contracts
  d. relaxes; relaxes
  e. lengthens; shortens
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吳家良吳家良
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6 years ago
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riiiiooottt Author
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#2
6 years ago
Perfect on my quiz, so smart <3
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