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.
Checks and Balances: A system of distribution of power among the executive, legislative, and judicial branches of government, in relatively equal proportions, such that each branch has the ability to counter the actions of the other two and thus prevent the entire government from being controlled by any single branch. 1. THE EXECUTIVE BRANCH.