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.
I'm supposed to define balanced and divided government for vocab on a worksheet over greece and rome during the classical periods. For the best answers, search on this site https://shorturl.im/avblt I believe you are referring to balance of power. The US government has power divided into 3 separate (but equal) branches. Equal meaning they control their own areas of responsibility. For example, the Supreme court can not declare war; The president can't decide Row v. Wade, etc.