Bone structure can vary depending on the type of bone, but there are some generalizations. Bones consist of three different kinds of cells. Vertebrate bones are composed of a substance called hydroxyapatite, which is made of calcium phosphate.
Balanced generally is positive terminology for a government that equally represents all the interests and parties of a nation in its government. Divided government is the negative form where these interests clash and nothing gets done in government because the parties have equal power and never agree.
balanced - being in a state of proper equilibrium; the carefully balanced seesaw; a properly balanced symphony orchestra; a balanced assessment of intellectual and cultural history; a balanced blend of whiskeys; the educated man shows a balanced development of all his powers.