Respuesta :

minwaw

Answer:

Bones consist of living cells embedded in a mineralized organic matrix. This matrix consists of organic components, mainly type I collagen – "organic" referring to materials produced as a result of the human body – and inorganic components, primarily hydroxyapatite and other salts of calcium and phosphate.

Explanation:

emilyblumenhein

Hii!! (: The correct answers are:

The periosteum is a thin, dense membrane that contains nerves and blood vessels that nourish the bone.  Compact bone is smooth and dense. It is the hard part of the bone.  Cancellous bone looks like a sponge and protects the bone marrow.  Bone marrow is a thick jelly that makes blood cells.

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