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One of the following is not a function of bones.

  • A.Place for muscle attachment
  • B.Protection of vital organs
  • C.Secretion of hormones for calcium regulation in blood and bones
  • D.Production of blood corpuscles

Answer: C

Bones do not secrete the hormones that regulate blood calcium.

Parathormone from the parathyroid raises blood calcium and calcitonin from the thyroid lowers it; bone is the store they act on, not the source. Bones do provide muscle attachment, protect organs and make blood cells in the marrow.

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