blood type. Any of the four main types into which human blood is divided: A, B, AB, and O. Blood types are based on the presence or absence of certain substances, called antigens, on red blood cells.Also called blood group.lood type. Any of the four main types into which human blood is divided: A, B, AB, and O. Blood types are based on the presence or absence of certain substances, called antigens, on red blood cells.
Amendments are sent to the legislatures of the states by default. Only one amendment, the 21st, specified a convention. In any case, passage by the legislature or convention is by simple majority. The Constitution, then, spells out four paths for an amendment:
These ten changes are called the Bill of Rights.. Other changes to the Constitution are discussed below. The last change to the Constitution was made in 1992. The 27th Amendment is acutally one of the two left-over amendments from 1791.It is very unusual for an amdendment to take that long to be accepted, but it is possible. Some, like the 26th Amendment, are accepted very quickly, in just 100 days.hese ten changes are called the Bill of Rights.. Other changes to the Constitution are discussed below. The last change to the Constitution was made in 1992. The 27th Amendment is acutally one of the two left-over amendments from 1791.