The extracellular matrix of bone consists of

Bone extracellular matrix consists of  osteocalcin, glycosaminoglycans, collagen, water and bone mineral.

Explanation:

Bone is one of the important connective tissue and provide sites for the muscle attachment.

The extracellular matrix of bone consists of 30% organic matrix. The organic matrix includes glycoproteins, glycosaminoglycans and proteoglycans. The calcium binding protein of extracellular matrix is osteoclacin. Type I and type V collagen is present in the extracellular matrix. Nearly 25% water is present in the bone extracellular matrix. Hydroxyapatite is the bone mineral present in the extracellular matrix of bone.  

the answer is z.

the human body has five levels of organization. level 1: cells. cells are the basic units of life and form the first level of organization. cells in the human body have specific functions. examples include nerve cells, blood cells, liver cells, and so on.

answer///systemic;