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EmpressDina EmpressDina
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6 years ago
Bones store ____, which is important for nerve cell function and muscle contraction.
 
  a. calcium
  b. phosphorous
  c. potassium
  d. sodium
  e. magnesium

Question 2

Compact bone contains ____.
 
  a. thick concentric layers of extracellular matrix
  b. spongy marrow
  c. yellow marrow
  d. red marrow
  e. blood arteries
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jen2585jen2585
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6 years ago
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