Alteration of left breast with nonautologous tissue substitute, open approach

A muscle is called the _________ when it is the principle muscle or one of a group of principle muscles responsible for an action. A muscle acts as the _______ when it opposes a motion

Fill in the blank(s) with the appropriate word(s).

The government's medical research organization is called ________

A) Institute of Medicine B) National Medical Care Health C) National Institutes of Health D) Health Care Financing and Research E) Federation of Medical Investigation